Find the length of XC

timer Asked: Nov 13th, 2015
account_balance_wallet $5

Question Description

Tutor Answer

School: UCLA

Thank you for the opportunity to help you with your question!

It can be solved using the following theorem which is secant theorem

"If two secant segments are drawn to a circle from the same external point, the product of the length of one secant segment and its external part is equal to the product of the length of the other secant segment and its external part."

Here the same point is G.

Using the above theorem


We have DG=x+3+5=x+8





(x+8)5 =6(x+6)

Solve for x



We have DG=x+8 =4+8=12(answer)

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