geometry
posted by Brett .
Triangles ABC and PQR are similar with m angle A = m angle P and m angle B = m angle Q. If AB, BC, and AC are 3, 4, and 5 ft long respectively and QR is 10 ft, find PQ.

AB/PQ = BC/QR,
3/PQ = 4/10,
4PQ = 30,
PQ = 7.5t.
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