SOLUTION: If the lengths of two sides of an isosceles triangle are 4 and 9, what is the perimeter of the triangle?

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Question 308639: If the lengths of two sides of an isosceles triangle are 4 and 9, what is the perimeter of the triangle?
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
The isosceles triangle tells us that TWO sides are equal. We can assume that the EQUAL sides are NOT 4, since this triangle does not exist, because the sum of two of the sides must be greater than the third side.

Therefore the sides are 9, 9, and 4, which makes the perimeter 9+9+4= 22.

Dr. Robert J. Rapalje, Retired