問題詳情
10. 如附圖，直角三角形ABC中，∠B＝90°，且AB＝8，BC＝15。若分別以三邊為直徑作三個半圓，則兩灰色區域面積的總和為多少？ 
(A)60
(B)120
(C)180
(D)360
參考答案
無參考答案
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