Question

The perimeter of a rectangle is 24 CM if it's length is 8 CM, find it's breadth

Answer 1

Given:

The perimeter of the rectangle = 24 cm

The length of the rectangle = 8 cm

To find:

The breadth of the rectangle.

Solution:

We know that the formula for the perimeter of the triangle is: 2(length + breadth)

On substituting the values in the equation, we get:

24 = 2(8 + breadth)

12 = 8 + breadth

breadth = 12- 8

breadth = 4 cm

Thus the breadth of the rectangle will be 4 cm.

Answer 2

The breadth of the rectangle = 4 CM

Given :

• The perimeter of a rectangle is 24 CM

• The length is 8 CM

To find :

The breadth of the rectangle

Formula :

Perimeter of a rectangle

= 2 [ Length + Breadth ]

Solution :

Step 1 of 2 :

Write down perimeter and length

Here it is given that perimeter of a rectangle is 24 CM

The length is 8 CM

Step 2 of 2 :

Find the breadth of the rectangle

Length = L = 8 CM

Let the breadth of the rectangle = B CM

Thus we get

$\displaystyle \sf{ 2(L + B) = 24}$

$\displaystyle \sf{ \implies 2(8+ B) = 24}$

$\displaystyle \sf{ \implies (8+ B) = 12}$

$\displaystyle \sf{ \implies B = 12 - 8}$

$\displaystyle \sf{ \implies B = 4}$

The breadth of the rectangle = 4 CM

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