Answer:
Triangle Area = 1/2bh
Rectangle area =bh
Explanation:
Triangle Area
10x9=90 (normally you would divide by 2 here, but since there are two triangles the total area would be 90)
Rectangle area (bottom)
10x10=100
Rectagle are (top)
13.5x10 = 135
Add up all values = 325 in squared