Asked by nini

Study the following diagram, where point C lies in the exterior of circle O.
Segment WC is tangent to circle O at point W.
CO¯¯¯¯¯¯¯¯, CW¯¯¯¯¯¯¯¯¯, and OW¯¯¯¯¯¯¯¯¯ are drawn in to create △OWC.


If WC=15 and CO=17, what is OW?
Enter the correct value.

could somebody help please i need help
Answered by oobleck
The tangent CW and the radius OW are perpendicular. So you have a right triangle, and the two sides given should look familiar. If not, use the Pythagorean Theorem to fond the other leg.
Answered by Lyssa
Use the equation A^2+B^2=C^2, C being the hypotenuse/ line CO. You get 9^2+12^2=x^2 and the answer is 15, just took the test and it is right.

Answered by efjkwehkjwe
the answer to this one is 8
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