Rotation
Move the red point. What happens?
Use it to measure
the angle of rotation
from the blue shape to the yellow shape. These angles are measured anti-clockwise.
What happens to the blue triangle when the angle of rotation is 360 degrees?
Choose...
Nothing much
It disappears
It has completed a full turn
It has rotated a half turn
Result:
Please enable Java for an interactive construction (with Cinderella).
Create a rotation of 60º or 120º. Can you create a rotation of -100º?
