Answer:
B. 36 m^2.
Step-by-step explanation:
Area = area of the base + 4 * area of each triangular side
= 3 * 3 + 4 * 1/2 * 3 * 4.5
= 9 + 27
= 36.
B
Surface area equals to sum of every shape that makes up the outside of the figure. In this case, we have 4 triangle and 1 rectangle
