Investigate, with and without digital technologies, angles on a straight line. Use results to find unknown angles (ACMMG141)
LO:To identify angles on a straight line
Know:
- How to use a protractor to measure angles.
Understand:
- That all angles on a straight line add up to 180 degrees.
Do:
- Find the angles on a straight line..
Angles on a Straight Line
Angles on a straight line always add up to 180 degrees.
Complementary and Supplementary Angles
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Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees. |
Teaching Ideas
