SOLUTION: The sides of a triangle have lengths 5,7,and 8. What is the length of the longest side of a similar triangle whose perimeter is 80?
Algebra ->
Triangles
-> SOLUTION: The sides of a triangle have lengths 5,7,and 8. What is the length of the longest side of a similar triangle whose perimeter is 80?
Log On
Question 694569: The sides of a triangle have lengths 5,7,and 8. What is the length of the longest side of a similar triangle whose perimeter is 80? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The sides of a triangle have lengths 5,7,and 8. What is the length of the longest side of a similar triangle whose perimeter is 80?
--------
Equation:
5x + 7x + 8x = 80
20x = 80
x = 4
----
Sides of the similar triangle:
5x = 20
7x = 28
8x = 32
==============
Longest side is 32
==============
Cheers,
Stan H.