Respuesta :

LucasEJP
13.5 area = a+b/2 x h
The formula for a trapezoid is
A=(b1+b2)•h/2
b1 is going to be 5 in
b2 is going to be 4 in
h is going to be 3in

Add 5+4 which is 9 times 3 which is 27

Now 27 divided by 2 is 13.5in

Therefore your answer is B

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