#1**+1 **

Hints:

Surface area is the sum of areas of all faces (Triangles, rectangles)

Area of Triangle = \(\frac{1}{2}*b*h\)

Area of Rectangle \(=W*L\)

Volume is the area of the cross-sectional multiplied by the length/height.

The volume of this shape is the area of the cross-sectional multiplied by the length between the two triangles on the right. (The long dotted line also)

Guest Apr 18, 2020