The length of the segment OC can be found using the Pythagorean theorem since O, C, and the center of the circle A form a right triangle.
Using the Pythagorean theorem:
OA^2 = OC^2 + AC^2
18^2 = 12^2 + AC^2
324 = 144 + AC^2
180 = AC^2
AC = √180
AC ≈ 13.4 (rounded to the nearest tenth)
Therefore, the length of OC is approximately 13.4.
the radius of circle O IS 18 and OC =12 round your answer to the nearest tenth
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