Web26.(12分)[问题情境]课外兴趣小组活动时,老师提出了如下问题:如图①,在 abc中,若ab=10,ac=8,求bc边上的中线ad的取值范围.小明在组内经过合作交流,得到了如下的解决方法:如图②,延长ad至点e,使de=ad,连接be.请根据小明的方法思考(1)由已知条件和作图能得到 adc≅ edb ,依据是a. sssb. sasc. aasd.asa(2)由三角形的三 ... Web12、西姆松 (Simson)定理(西姆松线):从一点向三角形的三边所引垂线的垂足共线的充要条件是该点落在三角形的外接圆上。 13、 设锐角⊿ABC内有一点P,那么P是垂心的充分必要条件是PB*PC*BC+PB*PA*AB+PA*PC*AC=AB*BC*CA。 相关计算器 反三角函数计算器 (角度计算) 反正弦asin 反余弦acos 反正切atan 反余切acot 反正割asec 反余割acsc 批量提取 …
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WebJul 28, 2024 · ICSE Class 10 Answered in triangle abc, AB=8 cm, AC= 10 cm and angle B is 90 degree. P and Q are points on the sides AB and AC respectively such that PQ = 2 cm and angle PQA is 90 degree. Find area of apq Asked by ahaana10065 28 Jul, 2024, 11:15: AM Expert Answer This question has already been answered. To get the answer, click here WebNov 2, 2024 · Explanation: It is given that In ABC, AB=8, BC=10, and AC=12. Let M, N, and K be the midpoints of the sides of ABC. The mid point theorem states that if a line segment joining the midpoints of two sides of the … descargar office malavida
26.(12分)[问题情境]课外兴趣小组活动时,老师提出了如下问题:如图①,在 ABC中,若AB=10,AC=8,求BC …
WebABC est un triangle rectangle en A tel que AC=8cm et BC=10cm calculer AB ... Il faut que tu utilises le théorème de Pythagore AC2+AB2=BC2 AB2=BC2-AC2 AB2=10(2)-8(2) AB2=100-64 AB2=36 AB=racine carrée de 36=6 AB=6cm Le 2 à côté des lettres et des chiffres est un carré (petit 2) Nouvelles questions en Mathématiques. ABC est un triangle ... WebIn the given ABC, AB = 12 cm, BC = 8 cm and AC = 10 cm. Find AF, BD and CE. Hard Solution Verified by Toppr In the given figure, let CE=CF=x It is also given that AB=12 cm, BC=8 cm … WebDec 8, 2024 · In ABC, AB=8, BC=10, and AC=12. Let M, N, and K be the midpoints of the sides of ABC. Find length of each side of MNK. 2 See answers Advertisement sqdancefan … descargar office odt