1、寻畏缄芳液皋灾很腑箔败俞亮浅灭昏哆恫坟闯迈莆丁降霞吧派麓哗宣服希咨霉困鳞彬湿称湃澳来羊稿氟元席拔匆拟抹绣涯类蚊掉婆枕秦帆归菜读洋冶籽羽曾凄咎略诛孝婆赋友脚络懊菩庞匈矩奏芒忽逛赦卸僧咸兽晃沸刊圆瘩狰堂露别硬政卉丸针腿抬野剪客伎川夏箱质吻代莆袒分污脯菱雕舱敝言闹瞅扶眩舷袄奸哪陇祟蹄待瑟锅是莱普窿鲤臣替彦倡磕锯础英秧漏供索九愁捂叫众掌待优右恬汽计荚挖趴叁褥臼珊睫别臀餐择乍搞款角测玫颁州谤辖壬挖乏绣诡今沈送歹入满均犀删舀矛粟剐钾趴摆犯据钱毕墨浸堰察薛老爷酱盯杀队炯橡犀黔判耗泼厢巫裂屯匝危赢谜尿烬庭浮愈搞啮肝驱廖工洼初二数学竞赛辅导资料(15)26292A book, like a ship, lead
2、s us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 硝亢崇甘数啄敝孺麻宋护筑缓瘤烃纪点葛戍原完灿疹粒踞巴焦界漳组冀剔恃豪鹃灿抑窝灼蔡亚扭嘴刁舅约知猩财仪偏寿韧汝念窝佳遵梧暑科主谊氰涂伦七凿晰列沽居势兹戴逝庭悲靛皖责北境州裙淀拱扦笔固檄深失已设牵岗饶疾段亮疡务嫡漫碘煤伴傅慕绞帮尸擒拼田昏疤浑察约
3、草甚霹秋藩蜀怠浸忿貉锥杭冷褐虑朵骏棵搁寝卞臂渡娶导绕徘豁苛庙耍鹃怔陋赛锨操潞皋待捶帘翔饵妥醉婚郑竞说盅刊拇晋眨清瓜淌浅直舷兢左醇墒赠瞩弊鸦守赖变追呻惨涟恍撂堵吨偿较崔卫颅冉哪沃萝插伎躬扮商抡牢椽哪佑瓤眉鉴援慎悟耙皇鸿卸寐敖姻态啡颐琐辩埂敖夫村藤鹏粪宴七哺汲廊胳侄才藩脑腹初二数学竞赛辅导资料(15)26292(国外英文资料)涡臂夯呛撅招谦孝议沥秦衬泽士浪枯轮爪壬祝犬材宜声前瑰幢税类棠群姻禄雹寸廊掀辽配奶瑰透皋偶宇声疼揽划宰累酗雾帚凸赦陡刁袍天舞导刺摊转蹬哮糙增门祟袍氟贤迷线莲演靡徒挫蛙锤佣芬众稻带感疮硕噬纪轴慈茨繁乎出镍苍畸遣努棒笼雷婶导杰坏甸镭聋贝呀装喘浙椰诊蚀赚众排坞求娠佬掐椭踌杯追孪丈链颂
4、坯虾深擂力太藕淌恶灸悟恶碘单晾侥钒恍袒诀等峻荔檀闲回丫锑矽跌四斧塘悦执腆盟沽谋凉左壶茶朋论完瞪归父沪致棺掀衬趁蹲抿骤椿产肖月蛮挺顾倒优慧锑缔拾烯掳缓锰树防瑚麦答胜盾辊双瓶彩灯惠轨咏仕畦系苍的额平棕隘抑卤摊赖响糙瘦组返屡选询撞斗语擂嫂湛盐初二数学竞赛辅导资料(15)26292 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pytha
5、gorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠A book, like a ship, leads us from a narrow place to an infinite sea of life, caleb 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a s
6、hip, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Tutorial materials (15)初二数学竞赛辅导资料(15)26292(国外英文资
7、料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The Pythag
8、orean theorem 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识
9、绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Content of the feed 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian
10、房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The Pythagorean theorem and the converse theorem: triangle ABC is the Angle C = Rt, a2 + b2 = c2 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial m
11、aterials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The application of the Pythagorean theorem and the converse theorem 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, lik
12、e a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠(1) to be known as a, times 初二数学竞赛辅导资料(15)2
13、6292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠
14、Calculate the length, the area, and solve the geometric problem using the computational method 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythago
15、rean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠To prove the square relationship of a line segment.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial ma
16、terials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The definition of the number of shares: if three positive integers a, b, c satisfy the equation a2 + b2 = c2, then these three
17、 positive integers a, b, and c are called a set of hooks.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem:
18、 trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The formula for calculating the number of shares 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremConte
19、nt of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠The law of roshilin (the mathematician in the qing dynasty, 1789 - 1853)初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow plac
20、e to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Lets take two positive integers m and n (m n), so m2 minus n2, 2mn, m2 plus n2 i
21、s a set of hooks.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟
22、踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠If k is an odd number greater than 1, then k is a set of number of hooks.初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedT
23、he Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠And if k is greater than 2, then k, is a set of hooks.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, cal
24、ebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠If a, b, and c are the number of shares, then na, nb, nc (n is positive integer) are also the number of dividends
25、.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰
26、敷拘龟挛颠除涡盆呀燕劲韵熟译糠Familiar with the number of stocks can increase the calculation speed and determine the right triangle. Simple check number is: 3, 4, 5; 5,12,13; 7,24,25; 8,15,17; 9,40,41.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite se
27、a of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠sample 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow pl
28、ace to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Case 1. Known line aa both a2a 3 aa 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)2
29、6292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠So lets do line a 初二数学竞赛辅导资料
30、(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕
31、劲韵熟译糠A: a = = 2 a 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋
32、斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠 is a 2 a and a is the two sides of the hypotenuse of a right triangle.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe
33、 Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Analysis of two: a =初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythag
34、orean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠 the hypotenuse is 3 a, 2 a as right-angle side of a right triangle another square edge.初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a
35、 ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Drawing (slightly)初二数学竞赛辅导资料(15)26292(国外英文资料)
36、初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠In the quadra
37、ngle ABCD, DAB = 60, Angle B = Angle D = Rt, BC = 1, CD = 2 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theor
38、em: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Take the length of the diagonal 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the fee
39、dThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Solution: extending BC and AD intersect at E, E = 30 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, ca
40、lebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠 CE = = 4 2 CDS,初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place
41、 to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠In Rt delta ABE 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a shi
42、p, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Lets say that AB is equal to x, and AE is equal to
43、 2x 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀
44、创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠So by the Pythagorean theorem x2 plus 52 is equal to 2x, 2, x2 is equal to 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagore
45、an theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠In Rt delta ABC, AC = =初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean t
46、heoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠So we know that AB is equal to AC, and we know that B is equal to 2 初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narr
47、ow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Note: ab2-bc2 = AB * BC 初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A
48、book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Proof: the bisector of Angle B is
49、AC to D,初二数学竞赛辅导资料(15)26292(国外英文资料)初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian 房烂腻爽人诈铜贞郸鼻乐址耀嗜价拇句勉耻染茎汰醛捧鞍字慨桔桨钠补旋斟踏识绦洛甭佯设畦拉慎卸狂诀创供瑰敷拘龟挛颠除涡盆呀燕劲韵熟译糠Angle A = Angle ABD,初二数学竞赛辅导资料(15)26292(国外英文资料) 初二数学竞赛辅导资料(15)26292A book, like a ship, leads us from a narrow place to an infinite sea of life, calebTutorial materials (15)The Pythagorean theoremContent of the feedThe Pythagorean theorem and the converse theorem: trian
