SOLUTION: A rectangle and an equilateral have the same perimeter. The length of the rectangle is twice its width. Each side of the triangle is 45m. Find the length of each side of the rectan

Question 1054782: A rectangle and an equilateral have the same perimeter. The length of the rectangle is twice its width. Each side of the triangle is 45m. Find the length of each side of the rectangle.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
45*3= 135 this is the perimeter of the triangle and the rectangle
L = 2W, thus:
2(2W)+2W = 135
4W+2W = 135
6W = 135
W = 22.50, and since the length is twice the width:
L = 22.5*2 = 45
----------------------------
Check:
2(22.5)+2(45) = 135
45+90 = 135 Correct
:
John
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