the length and breath of a rectangle are in the ratio 7:3 and its perimeter is 150 m find the area of the rectangle
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perimetre =2(l+b)
150= 2 (7x+3x)
150 =20x
x = 7.5
l = 52.5
b = 22.5
area = l × b
1181.75
150= 2 (7x+3x)
150 =20x
x = 7.5
l = 52.5
b = 22.5
area = l × b
1181.75
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