Answer:
The area of the trapezoid shown above is 660 square inches.
Step-by-step explanation:
It already gives you the formula, so just plug in the numbers given.
[tex]h[/tex] - height (20)
[tex]B_1[/tex] - Base (30)
[tex]B_2[/tex] - Other base (36)
[tex]\frac{1}{2}(20)(30+36)\\\frac{1}{2}(20)(66)\\=660[/tex]