Answer:
A. (Image attached)
B. 1764 m^2
Step-by-step explanation:
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108 deg
Since sides DB and CD are congruent, then opposite angles are congruent.
m<C = m<B = 36
m<B + m<C + m<D = 180
36 + 36 + m<D = 180
m<D = 108
