take a 20 cm long wire and mold it in a rectangular shape . Now find its area
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Width=x
Height = y
area of rectangle = xy
circumference = 20 = 2x + 2y
20 = 2(4) + 2y
=8+2y
12=2y
y=6
therefore,
Area = 6x4
= 24cm^2
Height = y
area of rectangle = xy
circumference = 20 = 2x + 2y
20 = 2(4) + 2y
=8+2y
12=2y
y=6
therefore,
Area = 6x4
= 24cm^2
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