Question

A square has a triangular hole in it. What is the area of the figure?

85
`in^(2)`
92.5
`in^(2)`
70
`in^(2)`
100
`in^(2)`

Answer 1

92.5 square inches

Explanation:

Area of square:

10 * 10 = 100 square inches

Area of right triangle:

(1/2) * 5 * 3 = 7.5 square inches

Area of figure:

100 - 7.5 = 92.5 square inches