Answer:
15
Step-by-step explanation:
Area of Trapezoid: [tex]A=\frac{b_{1}+b_{2} }{2} h[/tex]
Base 1 = 7
Base 2 = 3
Height = 3
Plugging into the formula, you get:
(7+3)/2 = 5
5(3) = 15
