Supplementary and Complementary Angles
10th GradeMath60 min
Learning Objective
I can calculate angle measures using the relationships of supplementary and complementary angles.
Lesson Flow
Watch Video
Complementary and Supplementary Angles FULL LESSON WITH PRACTICE PROBLEMS AND SOLUTIONS
Mr. Ace Math
Guided Notes
Key concepts students will learn:
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Complementary angles are two or more angles that add up to exactly 90 degrees.
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Supplementary angles are two or more angles that add up to exactly 180 degrees, forming a straight line.
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To find the complement of an angle, subtract the given angle from 90 degrees; to find the supplement, subtract from 180 degrees.
Practice
12 questions • Multiple choice & Short answer
Exit Ticket
“Angle ABC measures 32°. What is the measure of its complement? Angle XYZ measures 125°. What is the measure of its supplement?”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
