Question

Can someone find the surface area of the picture below.

Answer 1

The area of each of the 4 triangles is

... A = (1/2)bh = (1/2)(4)(3) = 6

The area of the square base (in the center of the net diagram) is

... A = s² = 4² = 16

Then the total area is 4×6 + 16 = 40 square units.