2020 National Question 9 Single-choice Differentiating 2020_新课标III Paper 9.下图为某几何体的三视图,则该几何体的表面积是( ) A. 6+4 $\sqrt { 2 }$B. 4+4 $\sqrt { 2 }$C. $6 { + } 2 \sqrt { 3 }$D. $4 { + } 2 { \sqrt { 3 } }$ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →