# Defining Rotations

## Move points A, B, C and P. Slide the slider to adjust the degree of rotation. Click the boxes to show the path and degree of rotation for A', B', and C'.

## Question 1

*Starting at zero degrees, change the degree of rotation from 0 to 360 degrees.*
**What do you notice?**

## Question 2

*Unselect "Circular Arcs" and select "A'". Move the slider to change the degree of rotation.*
**What happens to A'?**

## Question 3

*Move point P to point A. *
**How does this affect A'?**

## Question 4

**What is true about the path created by the rotation of A', B' and C' about point P?**

## Question 5

**Write a precise definition for a rotation, using the following words or objects:
**

**Point A****Point A'****Point P****center of rotation****angle of rotation, d****circle****radius****counterclockwise**

## Question 6

**Which of the following are properties of the rotated triangle A'B'C'?**