Answer:
A = 7.5 units^2
Explanation:
A = (a+b)/2 * h
A and B are both bases of the trapezoid (top and bottom)
H is the height
A is 1
B is 4
H is 3
Plug that into the trapezoid equation and we get
(1+4)/2 * 3 = 7.5 units ^2
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