問題詳情
21. 附圖是一個底圓直徑12，高為10的圓柱。若貫穿上、下底面挖除一個底邊長為4的正四角柱，試問下列敘述何者正確？(鏤空立體圖形的表面積含內部角柱的側面積)
(A)鏤空立體圖形的表面積 。
(B)鏤空立體圖形的體積 。
(C)鏤空立體圖形的表面積 。
(D)鏤空立體圖形的體積 。
參考答案
無參考答案
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