SOLUTION: If Each of two congruent sides of an isosceles triangle is 8 in. less taht twice the base. The perimeter if the traingle is 74in. what is the length of the base?

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Question 229908: If Each of two congruent sides of an isosceles triangle is 8 in. less taht twice the base. The perimeter if the traingle is 74in. what is the length of the base?
Answer by rfer(10417) About Me  (Show Source):
You can put this solution on YOUR website!
x+2(2x-8)=74
5x-16=74
5x=90
x=18 in base
2x-8=28 in sides