Sides are added to a convex polygon so that the sum of its interior angle measures is

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Sides are added to a convex polygon so that the sum of its interior angle measures is increased by 540°. How many sides are added to the polygon? Explain your reasoning.

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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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