Question

50 points pls answer if you do answer include how you got the answer <3333

Answer 1

820 m²

Explanation:

SA = PH + 2LW

P = perimeter of the base

H = height of the prism

L = length of the base

W = width of the base

P = perimeter = 2(L + W)

SA = 2(20 m + 10 m)(7 m) + 2(20 m )(10 m)

SA = 420 m² + 400 m²

SA = 820 m²