Answer:
The answer is 48.9 cm^2.
Step-by-step explanation:
Let's find the surface areas of the faces other than the base;
triangle area: b x h / 2
4 x 7 = 28, 28/2 = 14
in this case, there are three faces, so 14 x 3 = 42, and we add that with the base to get 48.9
:) hope this helps!
