Geometry - Angles - Measure angles up to 180

Measure angles up to 180

1. What piece of equipment do we use to measure angles? What is the sum of the interior angles in a triangle? What is the sum of the interior angles in a quadrilateral?

2. What piece of equipment do we use to measure angles? What is the sum of the interior angles in a triangle? What is the sum of the interior angles in a quadrilateral? A protractor    

4. Have a think Measure the size of the angle shown. or ?  

5. Have a think Explain why is not the size of the angle shown.  

7. Have a go at questions 1 to 4 on the worksheet

8. A C B D E     Measure the size of angle DBC?

9. Have a think Measure the size of angle DBC? Measure the size of angle BCD?   Work out the size of angle DAB.     A C B D E    

10. Have a go at the rest of the questions on the worksheet