the length of a rectangular plot is four times its breadth. the area of the plot is 1600sq.cm. find its dimension
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Step-by-step explanation:
given that
the area of the plot is 1600sq.cm.
breadth =y
length =4y
area = 4y×y=1600
4y²=1600
y²= 1600/4
y²= 400
y= 20
length =4y
= 4×20
=80
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