Help me pls geometry
posted by Alexis on .
UVW~XYZ, UV= 15, UW=25, and XZ=60. If the perimeter of XYZ is 168, what is the perimeter of UVW?
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