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OpenStudy (anonymous):
is this right? In the figure below, PA is tangent to circle O. What is the length of PC?
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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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