Explanation of complementary, supplementary, and vertical angles.
3 Pages: Handout (Lesson) / Worksheet / Key
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Page 1 is a handout that clearly and concisely articulates the definitions of complementary, supplementary, and vertical angles, complete with diagrams and examples. The vertical angles theorem (that they're equal) is also defined.
Page 2 is an 20-question worksheet with room for student work.
Page 3 is the KEY for Page 2 (questions with answers).
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Copyright 2009, Thad J. Ackerman
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