Find the area of the figure.
a. 71 in2
b. 70 in2
c. 72 in2
d. 58.5 in2

For this case we have that by definition, the area of a square is given by:

In this case, the square is 9 \ in side, then:

On the other hand, the area of a triangle is given by:

Where:

b: It is the base of the triangle

h: It is the height

We have according to the figure that:

So:

Finally, the area of the figure is:

the answer is 31.27mph