SOLUTION: The perimeter of an isosceles triangle is 56 inches. If one leg is 20 inches long, what is the measure of the base of the triangle?

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Question 433047: The perimeter of an isosceles triangle is 56 inches. If one leg is 20 inches long, what is the measure of the base of the triangle?
Answer by katealdridge(100) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter of a triangle is the sum of the lengths of the sides. An isosceles triangle has two sides of the same length. If one side is 20, then another side is 20. 20+20=40. Subtract 40 from 56 to get the length of the base...16.