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OpenStudy (anonymous):
AB is tangent to circle O at B. How close to the circle is point A? (The diagram is not to scale)
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OpenStudy (anonymous):
OpenStudy (anonymous):
4.5
OpenStudy (mertsj):
Find r using the Pythagorean theorem. Subtract r from 7.5 and you will have the distance of point A to the circle.
OpenStudy (mertsj):
r=4.5 7.5-4.5=3 and that is the distance from A to the circle.
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