如图,网格纸上小正方形的边长为1,粗实线画出的是某几何体的三

如图,网格纸上小正方形的边长为1,粗实线画出的是某几何体的三视图,则该几何体的表面积为

A.                                  B.

C.                                  D.

答案

B

【解析】

由三视图可知,该几何体是由一个半圆柱和一个三棱锥组合而成的,故所求表面积为,故选B.

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