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The lengths of two sides of an isosceles triangle are 15 and

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The lengths of two sides of an isosceles triangle are 15 and [#permalink] New post 26 May 2019, 01:15
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The lengths of two sides of an isosceles triangle are 15 and 22, respectively. What are the possible values of the perimeter?

[Reveal] Spoiler: OA
52 and 59


Math Review
Question: 6
Page: 260
Difficulty: medium

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Re: The lengths of two sides of an isosceles triangle are 15 and [#permalink] New post 28 May 2019, 13:20
Expert's post
Carcass wrote:
The lengths of two sides of an isosceles triangle are 15 and 22, respectively. What are the possible values of the perimeter?

[Reveal] Spoiler: OA
52 and 59


Math Review
Question: 6
Page: 260
Difficulty: medium


Since we have an isosceles triangle, we know that there are 2 equal sides

So, EITHER the missing side has length 15 to give us a 15-15-22 triangle OR the missing side has length 22 to give us a 15-22-22 triangle.

The perimeter of a 15-15-22 triangles = 15 + 15 + 22 = 52
The perimeter of a 15-22-22 triangles = 15 + 22 + 22 = 59

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Re: The lengths of two sides of an isosceles triangle are 15 and   [#permalink] 28 May 2019, 13:20
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The lengths of two sides of an isosceles triangle are 15 and

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