perimeter of a rectangle is 40m. it length is the four meters less than 5 times its breadth. Find the area of rectangle
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Perimeter of the rectangle =2(l+b)
2(l+b)=40
l+b=20
l=5b-4
5b-4+b=20
6b=24
b=4m
l+b=20
l=20-4=16m
Area of a rectangle =l×b
16×4=64m
Therefore area this rectangle is 64m
2(l+b)=40
l+b=20
l=5b-4
5b-4+b=20
6b=24
b=4m
l+b=20
l=20-4=16m
Area of a rectangle =l×b
16×4=64m
Therefore area this rectangle is 64m
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