Question

The length of
rectangle is three
times its width and its perimeter is
a6m. Find the length of the rectangle​

Answer 1

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Answer 2

$\huge{\mathbb{\purple{\underline{\orange{CORRECT\:QUESTION}}}}}$

The length of rectangle is three times its width and its perimeter is 84m. Find the length of the rectangle.

$\huge{\mathbb{\purple{\underline{\red{SOLUTION}}}}}$

Let breadth of Rectangle be = 'x'

Length of Rectangle = 3x

Perimeter of Rectangle = 84m

A.T.Q.

2(L+B) = 84 m

2(3x + x) = 84m

6x + 2x = 84m

8x = 84m

x = $\frac{84}{8}$

x = $\frac{21}{2}$

Breadth = $\frac{21}{2}$m

Length = 3 × $\frac{21}{2}$ m

= $\frac{63}{2}$m