Nadine and Diondra were working together to divide a circle into three equal parts. They came up with the diagrams shown below. Tanisha said, “One of these pictures is wrong.”
Note: This stoplight icon will appear periodically throughout the text. Problems that display this icon contain errors of some type.
When you explain why something is a mistake, you are less likely to make the same mistake yourself.
What do you think? Is one picture incorrect? If so, which one? Why?
Try to imagine the separate pieces of a circle being rotated or moved.
Remember that dividing the circle into three equal parts means all three sections should be the same size.