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Find the unknown length y in the pair of similar triangles.

Find the unknown length y in the pair of similar triangles.-example-1
User Doyz
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1 Answer

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Similar triangles have a scale factor that determine the length of each side.

15 / 7.5 = 2

The scale factor = 2

17 / 2 = 8.5

y = 8.5

User Bob Kinney
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