Question

The ratio of the sides of a rectangle is 3:5 and the perimeter is 120. Find the length of the rectangle.

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Answer 1

$\huge{\bigstar{\underline{\mathfrak{AnSwer:-}}}}$

Given that :

$\huge\rightarrow$ Ratio of sides of a rectangle is 2 : 3

$\huge\rightarrow$ Perimeter is 120

Let the common factor be x

$\huge\rightarrow$ sides = 2x & 3x

Formula of perimeter of rectangle =

2[ l + b]

$\huge\rightarrow$ 120 = 2[2x + 3x]

$\huge\rightarrow$ 120 = 2* 5x

$\huge\rightarrow$ 120 = 10x

$\huge\rightarrow$ x = 12

Length and breadth of rectangle is 36 & 24 respectively.