A compact disc is 120 millimeters across with a center hole of diameter 15 millimeters
Chapter 7, Problem 7.3.35(choose chapter or problem)
A compact disc is 120 millimeters across with a center hole of diameter 15 millimeters. The center of the disc is at the origin. What are the coordinates of the points at which the inner and outer edge intersect the positive xaxis? What are the coordinates of the points at which the inner and outer edges cut a line making an angle with the positive x-axis?
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