Answer:
80 square units
Explanation:
Area of a trapezoid:
A = 1/2 (base+base)h
A = 1/2 (3 + 17)8
= 1/2(20)8
= (10)8
= 80
The top part is 3 and the bottom part is
7+3+7, which is 17.
Average the bases and then × height.
a=7+3+7=17
b=3
h=8
area=(1/2)(17+3)(8)=80
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