Josh's roof is triangular. it has a base of 97.2 ft and a height of 17.25 ft. josh's neighbor's roof has an area of 942 square feet. what is the difference in the area between josh's roof and his neighbors?

Given:
John" roof is triangular base of which = 97.2 ft and height = 17.25 ft
Area of roof of John's neighbor = 942 square feet.

To find:
Difference in the area of roof of John and neighbor.

Solution:
Area of John's roof = ?

Roof of John is triangular and area of triangle is calculated as below:

1/2(base*height)
1/2(97.2*17.25) = 838.35 square feet

So, area of John's roof = 838.35 square feet.

Difference between area of John's roof and roof of neighbor = 942-838.35 = 103.65 square feet.

I’d say letter a..