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subash

· started a discussion

· 1 Months ago

how OM is perpendicular to PQ (Question:968267.0)

am i missing any rule here

Question:
If O is the center of the circle and PQ and PR two chords of equal length of each 12 cm. PO intercepts QR at S. If radius of circle is 10cm. Then find the length of QR?
Options:
A) 19.2 cm
B) 9.6 cm
C) 38.4 cm
D) 12.2 cm
Solution:
Ans : (a)


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