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9. 如圖, 已知△ABC 中,∠C=90°, 為∠ABC 的角平分線, =8, 則=? (A)3 (B) (C) (D)2
問題詳情
9. 如圖, 已知△ABC 中,∠C=90°,
為∠ABC 的角平分線,
=8, 則
=?
(A)3
(B)
(C)
(D)2
參考答案
答案:B
難度:
計算中
-1
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角平分線 : 線上的點到角的兩邊的距離相★...
上一篇 :
8. 如附圖, ABCD 為一正方形,已知 ,則下列推論何者正確? (A) △ABF≅△BCE(B) △ADE≅△AFE(C) (D)
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