Answer:

Explanation:
We have the right triangle and the trapezoid.
The formula of an area of a right triangle:

a, b - legs
We have the length of the legs 12in and 13.42 in. Substitute:

The formula of an area of a trapezoid:

b₁, b₂ - bases
h - height
We have the length of the bases 18in and 11.75in and the length of the height 6.12in. Substitute:

The area of the figure:

Substitute:
