20sschmidt 20sschmidt
  • 23-03-2021
  • Mathematics
contestada

The length of a rectangle is three times its width. If the perimeter of the rectangle is 80

Respuesta :

Mekhala
Mekhala Mekhala
  • 24-03-2021

Answer:

Let width is y;

The length of a rectangle is three times its width

length = 3 x width

           = 3y

If the perimeter of the rectangle is 80

perimeter of the rectangle = 80

2(length + width) =80

2(3y + y) =80

2(4y)= 80

8y = 80

y=80/8

y= 10

width = y= 10

length = 3y =30

Step-by-step explanation:

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