1. Word cloud
120 seconds
What are the two types of angles used in geometry?
2. Slide
60 seconds
Complimentary angles are two angles whose sum is equal to 90 degrees. Supplementary angles are two angles whose sum is equal to 180 degrees. These angles can be used to solve for missing angles in a triangle.
Complimentary and Supplementary Angles
3. Slide
60 seconds
Complimentary angles are two angles whose sum is equal to 90 degrees Supplementary angles are two angles whose sum is equal to 180 degrees When two lines intersect, the angles opposite each other are complementary angles
Concepts:
4. Slide
60 seconds
Complimentary angles can be used to create a right angle, which is the same as a 90 degree angle. Supplementary angles add up to 180 degrees, which is the same as a straight line. You can draw a line from any point on a circle and make two complementary angles.
Did you know?
5. Open question
180 seconds
What is the sum of complementary and supplementary angles?
6. Personalised Feedback
360 seconds
Can two angles be complementary and supplementary at the same time? Why or why not?
7. Drawings
450 seconds
Brain break: Draw a polka-dotted dinosaur wearing a ribbon.
8. Poll
60 seconds
What are complimentary angles?
- Two angles that are equal
- Two angles that add up to 180 degrees
- Two angles that add up to 90 degrees
9. Poll
60 seconds
What is the measure of one angle if its complement is 50 degrees?
- 60 degrees
- 50 degrees
- 40 degrees
10. Poll
60 seconds
What are supplementary angles?
- Two opposite vertical lines
- Two angles that add up to 180 degrees
- Two angles that add up to 90 degrees
11. Poll
60 seconds
If one angle of a pair of supplementary angles is twice as large as the other, what is the measure of each angle?
- 70 and110
- 60 and 120
- 80 and100
12. Poll
60 seconds
If two complementary angles differ by 'x' degree. What will be their measures in terms of 'x'?
- 45-x,45+x
- 20-x,70+x
- 30-x,60+x
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