Multiplying radians by 60 estimates the measure in degrees, and dividing degrees by 60 estimates the measure in radians. 1. If 1 radian is approximately 60 degrees. a. Estimate the number of radians for a measure of 210. Sketch this angle. b. Estimate the number of radians for a measure of 90°. Sketch this angle. C. Estimate the number of radians for a measure of 150°. Sketch this angle.

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