Measure Supplementary Angles
- Use the half circle protractor to measure the angles.
- Type the angle of the red sector in the red box.
- Type the angle of the blue sector in the blue box.
- Press "add angles" to add the angles together. What should they add up to?
- Press "drive it" to see the turtle drive along the angle. Which sector shows the amount of turtle turn, the red one or the blue one?
- Press "new sectors" to measure a new pair of sectors.