Answer:
40 square feet
Explanation:
The area, A, of a triangle is given by the formula, A = 1/2bh, where b is the base and h is the height.
In this particular problem, we can see that the base is 10 ft and the height is 8 ft.
1/2 (10 ft) (8 ft) = 40
Answer is 40 square feet.