Question

1.) What is the surface area of the figure below?​

Answer 1

Explanation:

length (l) = 3 ft

Width (w) = 3 ft

Height (w) = 6 ft

Surface area = 2*( lw + wh + hl)

= 2* (3*3 + 3*6 + 6*3)

= 2*(9 + 18 + 18)

= 2 * 45

= 90 square ft