Question

The perimeter of rectangle is 120 centimetre its length is 35 cm find its breadth

Answer 1

Answer:

• The breadth of the rectangle = 25 cm.

Given :

• Perimeter of the rectangle = 120 cm.
• Length of the rectangle = 35 cm.

To find :

• Breadth of the rectangle =?

Step-by-step explanation:

Perimeter of the rectangle = 120 cm. [Given]

Length of the rectangle = 35 cm. [Given]

We know that,

Perimeter of the rectangle = 2( l + b )

Substituting the values in the above formula, we get,

➮ 120 = 2 ( 35 + b )

➮ 120 = 70 + 2b

Or, 70 + 2b = 120

➮ 2b = 120 - 70

➮ 2b = 50

➮ b = 50/2

➮ b = 25.

Thus, The breadth of the rectangle = 25 cm.

Answer 2

Given

$\bold {Perimeter \ of \ the \ rectangle} = 120 \ cm\\\bold{Length \ of \ the \ rectangle} = 35 \ cm$

SOMETHING YOU NEED TO KNOW

Area of the rectangle = Length * Breadth

Perimeter of the rectangle = 2(Length  + Breadth)

Let the breadth of the rectangle be x.

$\implies 2(35+x)=120\\\implies 70 + 2x = 120\\\implies 2x = 120-70\\\implies2x=50\\\implies \underline{\underline{x = 25}}$

$\boxed{\boxed{\bold{Therefore, \ the \ breadth \ of \ the \ rectangle \ is \ 25 \ cm.}}}}$