Can someone help me show work please

Mathematics
Tutor: None Selected Time limit: 1 Day

May 7th, 2015

If a secant segment and tangent segment are drawn to a circle from the same external point, the product of the length of the secant segment and its external part equals the square of the length of the tangent segment.


So,

 


ANSWER:  C)   6

May 7th, 2015

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