Perimeter of rectangle336cm and side of ratio 7:5. Find the area of rectangle?
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Let the length and breadth of rectangle= 7x and 5x
Then perimeter of rectangle=2(l+b)
=2(7x+5x)
=24x
Given, perimeter of rectangle is 336cm
then, 24x = 336cm
x = 14cm
therefore,
Length = 7x
= 7×14cm
=98cm
and, Breadth = 5x
=5×14
=70cm
therefore, Area of rectangle =98cm×70cm
=6860sq.cm
Then perimeter of rectangle=2(l+b)
=2(7x+5x)
=24x
Given, perimeter of rectangle is 336cm
then, 24x = 336cm
x = 14cm
therefore,
Length = 7x
= 7×14cm
=98cm
and, Breadth = 5x
=5×14
=70cm
therefore, Area of rectangle =98cm×70cm
=6860sq.cm
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