某几何体的三视图如图所示，它的表面积为 A．

某几何体的三视图如图所示，它的表面积为

A． B． C． D．

答案

【解析】根据三视图，该几何体为个球，半径为1．∴它的表面积为．

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某几何体的三视图如图所示，它的表面积为 A．

答案

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