Question

The measure of two adjacent sides of a rectangle are in the ratio of 11:10 . If the perimeter of the rectangle is 84 cm,find its area

Answer 1

Let The common ratio be x
Therefore, the sides are 11x and 10x
So perimeter = 2(l+b) = 84
=> 2(11x+10x)=84
=>2(21x)=84
=> 42x= 84
Therefore x=2
Now putting values of x
11x=22
10x=20
Therefore the area = l*b = 22*20= 440cm^2

Answer 2

Answer:

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