Answers

2015-11-18T20:28:35+05:30
The area formula for a parallelogram is bh
area=bh
x*x=(x-3)(x+4)
x² = x² +4x-3x-12
x²-x² = x-12
12=x
area of the parallelogram is x² = (12)²
= 144
∴ area of the parallelogram is 144
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