Ratio of two adjacent side of rectangle is 11:10, its perimeter is 84. Find its area
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let ratio constant =x;
perimeter=2(l+b);
84 = 2(11x+10x)
84 =2*21x
84 = 42x
x=2
l=22 b=20
Area=L*b;
=22*20
=440
perimeter=2(l+b);
84 = 2(11x+10x)
84 =2*21x
84 = 42x
x=2
l=22 b=20
Area=L*b;
=22*20
=440
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