- A15
- B9
- C12
- D2.4
Step-by-Step Solution
By the basic proportionality theorem, PX/XQ = PY/YR, so 4/10 = 6/YR and YR = 60/4 = 15 cm.
Answer: A) 15
In triangle PQR, a line XY parallel to QR meets PQ at X and PR at Y. If PX = 4 cm, XQ = 10 cm and PY = 6 cm, what is YR? (answer in cm)
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