The length of the base of an isosceles triangle is x. The length of a leg is 2x - 2. The perimeter of the triangle is 51. Find x.

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asked Feb 15, 2022 25.6k views

2 votes

The length of the base of an isosceles triangle is x. The length of a leg is 2x - 2. The perimeter of the triangle is 51. Find x.

Mathematics
high-school

Damian Moore asked

by Damian Moore

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2 Answers

5 votes

Answer:

x = 11

Explanation:

2x - 2 + 2x - 2 + x = 51

5x - 4 = 51

5x = 55

x = 11

Honibis answered Feb 17, 2022

by Honibis

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3 votes

Answer:

x = 11

Explanation:

x + 2(2x-2) = 51

x + 4x - 4 = 51

5x - 4 = 51

5x = 55

x = 11

Kevinabraham answered Feb 19, 2022

by Kevinabraham

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