baileyneedshelp3449 baileyneedshelp3449
  • 23-08-2017
  • Mathematics
contestada

A rectangle's length is twice its width. if the perimeter is 66 cm find the width of the rectangle

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evamj18 evamj18
  • 24-08-2017
Perimeter = 2L + 2W

Let x = width and let 2x = length 

Perimeter = 66

2x + 2(2x) = 66

2x + 4x = 66 --> 6x = 66 --> x = 66/6 --> x = 11

The width of the rectangle is 11 cm.

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