Would you mind telling me how to do question 9a?

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asked May 21, 2018 94.9k views

2 Answers

Fred Vanelli · Answer 1 · 2018-05-22T12:48:33+0000

9a

P is the circumcenter ⇒ AP = PC (radiuses)
By the Pythagorean theorem:
PC² = PQ² + CQ² = 6² + 8² = 36 + 64 = 100
PC = √100 = 10 cm

AP = PC = 10 cm

Would you mind telling me how to do question 9a?

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