Question

6. Perimeter of a rectangle is 108/7 m. If the length is 30/7m, find its breadth.​

Answer 1

Answer:

$2(l + b) = \frac{108}{7} \\ = > l + b = \frac{54}{7} \\ = > \frac{30}{7} + b = \frac{54}{7} \\ = > b = \frac{54}{7} - \frac{30}{7} \\ = > b = \frac{54 - 30}{7} \\ = > b = \frac{24}{7}$

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Answer 2

GiVeN : -

• Perimeter of a Rectangle = 108/7

• Length (l) = 30/7

To FiNd : -

• Breadth = ?

SoLuTiOn : -

We know that,

• Perimeter of Rectangle = 2(l + b)

So,

$\implies \: 2( \frac{30}{7} + b) = \frac{108}{7} \\ \\ \implies \: \frac{30}{7} + b = \frac{108}{7 \times 2} = \frac{54}{7} \\ \\ \implies \: b \: = \frac{54}{7} - \frac{30}{7} = \frac{24}{7}$

So,

• Breadth = 24/7