This activity will help you see the relationship between a circle's radius and its diameter.

Directions: [br][br]1. Drag point B to change the length of the [color=#c51414]radius[/color] of the circle. [br]2. Record the length of the [color=#c51414]radius[/color] in the table[br]3. Record the length of the [color=#1551b5]diameter[/color] in the table[br]4. Repeat steps 1-3 at least three more times[br]2. Notice what happens to the measurement of the [color=#1551b5]diameter[/color] as the [color=#c51414]radius[/color] changes.