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AB is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth. 7.0 3.6 13.0 9.9
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AB is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth.

7.0

3.6

13.0

9.9

AB is tangent to circle O at B. What is the length of the radius r? Round to the nearest-example-1
User Dan Dye
by
6.4k points

2 Answers

4 votes
check the picture below.

bearing in mind that the point of tangency, in red, is always a right-angle.
AB is tangent to circle O at B. What is the length of the radius r? Round to the nearest-example-1
User Check
by
5.3k points
5 votes
The length of the radius r for AB = 5 and AO = 8.6 is 7. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.


User Jorn Rigter
by
5.1k points
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