Answer:
936 square units.
Step-by-step explanation:
Area formula of trapezoid: [tex]A=\frac{a+b}{2}h[/tex]
given information:
a = 40
b = 64
h = 18
plug them into the formula:
[tex]A=\frac{40+64}{2}\cdot 18[/tex]
[tex]A = 936[/tex]
