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Mathematics 77 Online
OpenStudy (anonymous):

is this right? In the figure below, PA is tangent to circle O. What is the length of PC?

OpenStudy (anonymous):

OpenStudy (anonymous):

i got 16, is that right?

OpenStudy (anonymous):

PA / PC = PB / PA 8 / PC = 4 / 8 |dw:1365432213595:dw|

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