# Help me pls geometry

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UVW~XYZ, UV= 15, UW=25, and XZ=60. If the perimeter of XYZ is 168, what is the perimeter of UVW?

• Help me pls geometry -

Since perimeter is a linear function of the sides
and the two triangles are similar,
the ratio of sides = the ratio of perimeters

so P/168 = 25/60
P = 168(25/60) = 70

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