If the length and breadth of a rectangle are in the ratio of 3:2 and its perimeter is 20 cm, then the area of the rectangle (in cm2) is
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Let the length be 3x and breadth be 2x
Perimeter, 2(l+b) =20
2(3x+2x) =20
2(5x) = 20
x=2 cm
Length =3x=6 cm
Breadth =2x=4 cm
Area=l*b=6*4=24 cm2
Perimeter, 2(l+b) =20
2(3x+2x) =20
2(5x) = 20
x=2 cm
Length =3x=6 cm
Breadth =2x=4 cm
Area=l*b=6*4=24 cm2
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