Based on the given values of b and h, you obtain:
a.
A = (36)(12)/2
A = 216
b.
A = (13.8)(9.5)/2
A = 65.55
c.
In this case solve the equation A=bh/2 for b, as follow:
b = 2A/h
b = 2(32)/4
b = 16
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