Answer:
Step-by-step explanation:
Draw a line between the left and right angles. That's the base of both triangles. It measures 20 feet.
The height of the top triangle is 20 feet - 15 feet = 5 feet.
The height of the bottom triangle = 15 feet.
The area of the top triangle is 1/2 * 5 * 20
The area of the bottom triangle is 1/2 * 15 * 20
