Question

11. The perimeter of a rectangle is 60 cm. The length is four times the width. What

are the length and the width of the rectangle?

Answer 1

Length = 24 cm

Width = 6 cm.

Explanation:

The formula to compute the perimeter of a rectangle is,

`Perimeter=2(length+width)`

Given:

Perimeter = 60 cm

width = w

length = 4w

Determine the value of width as follows:

`Perimeter=2(length+width)\\60=2*(4w+w)\\60=10w\\w=6`

The value of length is:

`length(l)=4* w\\l=4*6\\l=24`

Thus, the length and the width of the rectangle are 24 cm and 6 cm respectively.