Answer:
70 ft
Explanation:
First, we can find the area of both bases (triangles):
Now, let's find the side surface area:
a (sides) = 5 × 6 + 6 × 6 = 30 + 36 = 66
And finally, let's add both areas and we will get the total surface area:
a (surface) = 24 + 66 = 70