Question

The net of a solid is shown below:

Net of a square pyramid showing 4 triangles and the square base. The square base has side lengths of 2 inches. The height of each triangle attached to the square is 4 inches. The base of the triangle is the side of the square.

What is the surface area of the solid?

16 square inches
20 square inches
36 square inches
40 square inches

Answer 1

First you have to find the area of the square which is 4. Then the area of 4 triangles which is 2x4/2 and equals 4 and times that by 4 = 16. 16 plus 4 is equal to 20.