Respuesta :

The area formula of a trapezoid is

[tex]A=\frac{h}{2}(b_1+b_2)[/tex]

where b1 = 6 yd, b2 = 18 yd and h = 9 yd

Using the formula above :

[tex]\begin{gathered} A=\frac{9}{2}(6+18) \\ A=108 \end{gathered}[/tex]

The answer is 108 yd^2