Question

The perimeter of a rectangle is 408cm and the length is 134cm. Find the rectangle’s width.

Answer 1

The width of the rectangle is 70 cm

Explanation:

Given,

• The perimeter of a rectangle is 408 cm
• The length is given as 134 cm

To Find : The width of the rectangle

As we know, the formula to find the Perimeter of the rectangle is

`P = 2(l+b)`

Now the Perimeter is given and the length

`408 = 2(134 + b)`

Now using distributive property

`408 = 268 + 2b`

`408 - 268 = 2b`

`140 = 2b`

`(140)/(2) = b`

`70cm = b`

Hence, the width of the rectangle is 70 cm

Answer 2

Answer: 70 cm

Step-by-step explanation: perimeter = 2*width + 2*length

408 = 2*width + 2*134

408 = 2*width + 268

Subtract 268 from both sides.

140 = 2*width

DIvide both sides by 2

Width = 70 cm