[計量] 請問一提
(A)the area of rhombus ABCD if AB=10
and angle BAC=45度
(B)70
我搞不懂的是菱形角BAC是哪裡
答案為a
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10/18 14:16, , 1F
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04/13 23:27,
6年前
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04/13 23:27, 16F