Answer:
108 yd²
Step-by-step explanation:
The formula of an area of a trapezoid:
[tex]A=\dfrac{b_1+b_2}{2}\cdot h[/tex]
b₁, b₂ - bases
h - height
From the picture we have
[tex]b_1=19yd,\ b_2=5yd,\ h=9yd[/tex]
Substitute:
[tex]A=\dfrac{19+5}{2}\cdot9=\dfrac{24}{2}\cdot9=12\cdot9=108\ yd^2[/tex]
