One side of a triangle is one-third the longest side. The third side is 13 feet less than the longest side. The perimeter is 85. Find all three sides.
+1639 One side of a triangle is one-third of the longest side. The third side is 13 feet less than the longest side. The perimeter is 85. Find all three sides.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"one side" = x "long side" = 3x "third side" = 3x - 13
x + 3x + 3x - 13 = 85
x = 14
sides of a triangle are 14, 42, and 29
