Q. Point B is a point of tangency. Find the radius r of circle C.
Identify Given Information: Identify the given information: We have a circle C with a tangent at point B. Usually, the radius to the point of tangency is perpendicular to the tangent line. We need more information, like the length from the center of the circle to the point of tangency, or a diagram to find the radius.
Need Additional Information: Since no additional information or diagram is provided, we cannot calculate the radius. We need the length of the line segment from the center of the circle to point B, or any other relevant measurement to proceed.
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