Supplementary and Complementary Angles
Grade 10th Grade · Math · 60 min
What's Included
Learning Objective
I can calculate angle measures using the relationships of supplementary and complementary angles.
Warm-Up Video
Mr. Ace Math · 11:25
Complementary and Supplementary Angles FULL LESSON WITH PRACTICE PROBLEMS AND SOLUTIONS
Guided Notes
3 key concepts
- 1
Complementary angles are two or more angles that add up to exactly 90 degrees.
- 2
Supplementary angles are two or more angles that add up to exactly 180 degrees, forming a straight line.
- 3
To find the complement of an angle, subtract the given angle from 90 degrees; to find the supplement, subtract from 180 degrees.
Practice Questions
12 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“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
