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Clearnote
Q&A
Junior High
Mathematics
至急! お願いします😖
Mathematics
Junior High
over 4 yearsago
yuuna☺︎☺︎
至急!
お願いします😖
練習問題 1 A 石図で,点MはZABC=90° の直角三角形ABCの斜 辺ACの中点である. 辺AB上に点Dをとり, BC=BD とする.線分BMとDCの交点をEとし, ZBAC=30° のとき,次の問に答えよ。 D、 (1)ZDEBの大きさは何度か ちの M (2) ZAMDの大きさは何度か。 E (3) AB=6のときBMの長さを求めよ. TAA B
Answers
みと
over 4 yearsago
(1) ∠DEB=105°
(2) ∠AMD=135°
(3) BM=2√3
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