Fan
- Can you find angles in this situation?
- If you increase the blue angle, what is happening to the green angle?
- If you double the blue angle, what is happening to the green angle?
- If you cut the blue angle into half, what is happening to the green angle?
- Compare the opening of the fan with the measure of the blue angle.
- Compare the opening of the fan with the opening of the green angle.
- How do you know?