step by step please
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Answer:
The length of PQ is 6cm
Step-by-step explanation:
By Pythagoras theorem :
5^2 = 4^2 + PR ^2
25 = 16 + PR ^2
PR = 3cm
Join OQ
in triangle ORQ
OQ ^2 = RQ^ 2 + QR ^2
25 = 16 + QR ^2
QR = 3cm
Hence , the length of chord PQ is 6 cm
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