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Q: In a triangle PQR, PX, QY and RZ be altitudes intersecting at O. If PO = 6 cm, PX = 8 cm and QO = 4 cm, then what is the value (in cm) of QY?
  • A. 6.3
  • B. 5.8
  • C. 6
  • D. 7
Correct Answer: Option D -
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Explanations:

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