問題詳情
23. 如下圖(十七)，△PQR中，A、B兩點在 
上，且 
，C、D兩點分別在 
上。若ABCD為菱形，則下列敘述，何者不一定是對的？
(A)
(B)
(C) ∠P=
(D)∠PRQ＝90°
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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