Answer : 1,216
To find the surface area, you need to find the area of each side of the pyramid.
The first area you can find is the square at the bottom. 16 x 16 = 256
You can then find the area of one of the sides. 15 x 16 = 240. You don’t have to divide this by half even though it’s a triangle because the two triangles make the one side. You multiply 240 x 4 = 960 because there are four sides.
You then get 1,216 by adding 960 + 256.
