SOLUTION: The figure shown is an equilateral triangle. Calculate the length of each side and give your answer in cm. first side= y+5 second side= 2x-7 third side= x+y-9

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The figure shown is an equilateral triangle. Calculate the length of each side and give your answer in cm. first side= y+5 second side= 2x-7 third side= x+y-9       Log On


   

Question 847504: The figure shown is an equilateral triangle. Calculate the length of each side and give your answer in cm.
first side= y+5
second side= 2x-7
third side= x+y-9
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
(1) y+5 = (3)x+y-9
5 = x - 9
x = 14
(2) 2(14) - 7 = 21cm
Since this is an equilateral triangle, all sides are 21cm.