Need math help with #1 (chat me if you have a question please)

Mathematics
Tutor: None Selected Time limit: 1 Day

Nov 20th, 2015

Thank you for the opportunity to help you with your question!

the answer is B. PQ

it is NOT a radius of circle O

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 20th, 2015

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