Question

What is the surface area of the 3-D object shown below?

Answer 1

Answer: 114 cm


Explanation:
9 x 5 = 45
45 x 2 = 90 (larger rectangular sides)
6/2 = 3
3 x 4 = 12
12 x 2 = 24 (smaller triangular sides)
90 + 24 = 114