In the diagram, the measure of the shaded red angle is 30. The arc length a is

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In the diagram, the measure of the shaded red angle is 30°. The arc length a is 2. Explain how to find the circumference of the blue circle without finding the radius of either the red or the blue circles.

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Holt McDougal Larson Geometry

ISBN: 9780547315171

1st Edition

Authors: Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

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