A rectangle has length equal to twice its width. The perimeter of it is 150cm. Find the length of the rectangle.

Mathematics · Middle School · Mon Jan 18 2021

Answered on

Let width of rectangle be x

Then, Length of rectangle be 2x

Perimeter = 150 cm

We know, Perimeter = 2 (l + w)

150 = 2 (2x + x)

150 = 2 (3x)

150 = 6x

x = 150/6

x = 25

So, width = 25

Length = 2 × 25 

= 50 cm 

 

Thus, Length of rectangle is 50 cm