圆锥的底面半径为8，母线长为9，则该圆锥的侧面积为( )_刷题宝

题干

圆锥的底面半径为8，母线长为9，则该圆锥的侧面积为( )

A：36π

B：48π

C：72π

D：144π

上一题下一题 0.0难度选择题更新时间:2016-07-22 09:33:01

答案(点此获取答案解析）

C

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