Question

Find the surface area of the pyramid represented by this net. [type your answer as a number]

Answer 1

Area of one triangle = 1/2 x 9 x 5 = 22.5
Four triangles = 22.5 x 34 = 90
Area of the square in the middle = 5 x 5 = 25

Total Area = 90 + 50 = 140 square cm

Answer 2

Answer:

90 + 50 = 140 square cm