Question

The length of the base of an isosceles triangle is x. The length of a leg is 3x-7. The perimeter of the triangle is 70. Find x.

Answer 1

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Answer 2

The length of a leg is 2x-5. (other leg the same length)

Question states*** perimeter of the triangle is 20

x + (2x-5) + (2x-5) = 20

5x - 10 = 20

5x = 30

x = 6, the length of th ebase. The length of each leg is 7