Answer:
75 ft^2
Step-by-step explanation:
Formula for Trapezoid is:
[tex]a = \frac{1}{2} ( b_{1} + b _{2}) h[/tex]
plug in the number
[tex] = \frac{1}{2} (10 ft \: + \: 15 \: ft)(6ft)[/tex]
[tex] = \frac{1}{2} (25ft)(6ft)[/tex]
[tex] = (12.5ft )(6ft)[/tex]
[tex] = 75ft ^{2} [/tex]
