SOLUTION: A triangle has a perimeter of 13 and one side of length 3. If the length of the other two sides are equal what is the length of each of them

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Question 1118914: A triangle has a perimeter of 13 and one side of length 3. If the length of the other two sides are equal what is the length of each of them
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
5


Could do in head


13-3=10,
10/2=5

If length of either congruent side is x, then x%2Bx%2B3=13.

Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
.
The length of each of the two equal sides is %2813-3%29%2F2 = 5 units.