Question

the length and bredth of a rectangle are in the ratio 2:3 if the perimeter of the rectangle is 90 cm then find the length and bredth of rectangle​

Answer 1

Answer:

Let length of the rectangle be multiple of x and breadth be multiple of x

Given,

Perimeter=90cm

$2(l + b) = 90 \\ = > 2(2x + 3x) = 90 \\ = > 10x = 90 \\ = > x = 9$

Therefore,

Length=2x=18cm

Bredth=3x=27cm

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Answer 2

Perimeter of the rectangle=2(l+b).

2x+3x=5x.

10x=90.

x=9.

length =2x=18.

breadth=27.

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