SOLUTION: The equilateral triangle and the rectangle have equal perimeters. A. Find the value of X. B. Find the perimeter. Triangle: x+5 Rectangle: side 1- x Bottom-2x-3 for the triangl

Algebra ->  Triangles -> SOLUTION: The equilateral triangle and the rectangle have equal perimeters. A. Find the value of X. B. Find the perimeter. Triangle: x+5 Rectangle: side 1- x Bottom-2x-3 for the triangl      Log On


   



Question 260586: The equilateral triangle and the rectangle have equal perimeters.
A. Find the value of X.
B. Find the perimeter.
Triangle: x+5
Rectangle: side 1- x Bottom-2x-3
for the triangle i have tried 3x+5 and didnt get the right answer. and the same for the triangle.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Triangle perimeter : 3x
Rectangle perimeter : x+2x-3+x+2x-3=6x-6
3x=6x-6
-3x=-6
x=2
Triangle side is 2.
Rectangle sides are 2 and 1.