13. In the adjoining figure, BIRD is a parallelogram and BH= HA.
. If the area of ABHI is x cm², what will be the area of A AHI?
b. If the area of ABHI is 10 cm², what will be the area of parallelogram
BIRD?
. Prove that area of parallelogram BIRD = area of ABAI
A
0.
D
H
I
R
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