Investigating Geometry: Fundamentals

Henrico County Public Schools

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May 2006

Lesson 1-4: Pairs of Angles

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airplane
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Objective:

The student will solve practical problems involving complementary, supplementary, and congruent angles that include vertical angles.

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  1. An airplane leaves a runway heading due east (ray AB) and must navigate two turns (ray BC and ray CD) to change course due south.

  2. If the first turn must be 43 degrees, then what is the degree of the second turn?

  3. Move point D so that the airplane is heading due south.

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  1. Three Angles
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