One side of triangle is one-third the longest side. The third side is 13 feet less than the longest side. The perimeter is 106. Find all three sides.

Answer 1

Put all the sides in terms of x. X represents the longest side

side x
side y=(1/3)x
side z=x-13

The perimeter is 106 which is the sum of all the sides.

x+(1/3)x+(x-13)=106

Solve for x
Then it will be easy to find the other sides

Answer 2

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