Lesson 21 — Activity 3: Angle Mania!


Now let's have some fun with angles! Click on the links below to complete activities where you will practise working with complementary and supplementary angles. Have fun!


Complementary Angle

Remember!

Complementary angles add up to 90°, and supplementary angles add up to 180°!


Supplementary Angle

Click on the Play button below to watch a video on finding complementary and supplementary angles.




Click on the Play button below to watch a video on complementary and supplementary angles in real life! The video will also show you some tricks on how to remember the two angles.


  Self-check!

Try This!

Now that you've practised working with complementary and supplementary angles, click here to take a quiz to show what you've learned!

Images courtesy of www.imagesgoogle.com