If the length of a rectangle is twice of its breadth. If the area of rectangle is 240 cm2. Find the perimeter of the rectangle.
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let the length and breadth be x
then
area of rectangle =l×b
=2x×x=240cm2
=3x=240
= x=240/3
= x= 80
length= 2x =2×80
=160cm
breadth=x=80
then
area of rectangle =l×b
=2x×x=240cm2
=3x=240
= x=240/3
= x= 80
length= 2x =2×80
=160cm
breadth=x=80
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