The diagram shows the mechanism for opening the canopy on a small airplane. Two pivot arms attach

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The diagram shows the mechanism for opening the canopy on a small airplane. Two pivot arms attach at four pivot points A, B, C, and D. These points form the vertices of a parallelogram. Find m∠D when m∠C = 40°. Explain your reasoning.

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Related Book For  answer-question

Holt McDougal Larson Geometry

ISBN: 9780547315171

1st Edition

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

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