問題詳情
11. 如圖(十六),圓B與圓C外切,並分別與大圓A內切,其中圓A的半徑為10,圓C的半徑為2,=6,則△ABC的面積為【11】
參考答案
答案:D
難度:簡單0.752774
統計:A(392),B(308),C(169),D(2646),E(0)
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