Question

The perimeter of a rectangle is 30 m and its length is 10m. Find its breadth.​

Answer 1

Answer:

5m

Step-by-step explanation:

10×2

=20

30-20

=10

10÷2

=5

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Answer 2

The breadth of the rectangle is 5 m.

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Let's understand a few concepts:

What is a rectangle?

A plane figure consists of four straight sides especially with unequal adjacent and four right angles.

What is the perimeter of a rectangle?

The total sum of all sides of a rectangle is equal to the perimeter of a rectangle.

How to calculate the perimeter of a rectangle?

We will use the following formula to find the perimeter of a rectangle:

$\boxed{\bold{Perimeter \:of\:a\:rectangle = 2 \times [Length + Breadth]}}$

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Now, let's solve the given problem:

The perimeter of the rectangle = 30 m

The length of the rectangle = 10 m

Let "b" represent the breadth of the rectangle.

Therefore, on substituting the values in the formula of the perimeter we get,

$30 = 2 \times [10 + b]$

$\implies \frac{30}{2} = 10 + b$

$\implies 15 = 10 + b$

$\implies b = 15 - 10$

$\implies \bold{b = 5\:m}$

Thus, its breadth is → 5 m.

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Learn more about the perimeter and area of a rectangle here:

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