+0  
 
0
506
1
avatar

The length of a rectangle is 5 centimeters more than twice the width. The perimeter 82 centimeters. Find the length and width.

 Nov 28, 2016
 #1
avatar+37084 
0

w= width

l= 2w + 5    (given)

circumference =  2 x w + 2 x l

2 x w + 2 x(2w+5) = 82

2w + 4w +10 = 82

6w=72

w = 12

 

l = 2w + 5 = 29

 

12 + 12 + 29 + 29 = 82   CHECK!

 Nov 28, 2016

2 Online Users

avatar