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In the accompanying diagram of a circle of O …..

In the accompanying diagram of a circle of O …..-example-1
User Andrej Oskin
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1 Answer

4 votes
4 votes

the theorem says:


PA^2=PB\cdot PC

PB=2

PC=2+6=8


PA=\sqrt[]{2\cdot8}=\sqrt[]{16}=4

So the answer is

PA=4

In the accompanying diagram of a circle of O …..-example-1
User Anton Gorbunov
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