Question

Determine the surface area from the folllowing nets. Type the answer in the space provided (no units needed). If the answer is correct a mystery picture will appear. (Zo om in for bigger picture of dimensions)

Answer 1

#1

Surface area is the sum of 3 rectangles and 2 triangles:

• S = 8*6 + 9*6 + 8*3 + 2(1/2*3*6) = 144 ft²

#2

Surface area is the sum of 1 square and 4 triangles:

• S = 5*5 + 4*(1/2*3*5) = 55 ft²