The surface area of the solid is 4 + 6b
The solid consist of the following shapes:
The area of the solid is:
Area = Area of square + 4 * area of triangle
This gives
Area = 2 * 2 + 4 * 0.5 * 3 * b
Evaluate
Area = 4 + 6b
Hence, the surface area of the solid is 4 + 6b
Read more about surface area at:
https://brainly.com/question/6613758
#SPJ4