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OpenStudy (anonymous):
The perimeter of triangle PQR is 39, PQ=9, triangle PQR~ triangle STU, and ST=6. What is the perimeter of triangle STU?
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OpenStudy (anonymous):
corresponding sides of triangle STU = 6/9 or 2/3 of those of PQR. perimeter will also be 2/3 of PQR required perimeter = 26
OpenStudy (anonymous):
thanks.
OpenStudy (anonymous):
yw
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