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Rotations

Courtney Vail, Mar 16, 2018

1. Exploring Rotations
2. Rotation Questions

Exploring Rotations

– avery.js, leeb

Rotation Questions

Describe what happens when you rotate an object around the origin.

As the objects are rotated, what happens to the distance between the point of rotation and the points in the object?

The distance between the point of rotation and points in the objects stay the same. The distance between the point of rotation and points in the objects increase. The distance between the point of rotation and points in the objects increase or decrease based on the amount of rotation. The distance between the point of rotation and points in the objects decrease.

Describe what happens to the coordinates of the TRIANGLE when you rotate it 90 degrees counterclockwise (270 degrees clockwise).

What rule would you apply to the coordinates of each point when you rotate the TRIANGLE 90 degrees counterclockwise (270 degrees clockwise)?

(x , y) --> (-x , y) (x , y) --> (-y , x) (x , y) --> (x , -y) (x , y) --> (y , -x)

Describe what happens to the coordinates of the TRIANGLE when you rotate the TRIANGLE 180 degrees counterclockwise (180 degrees clockwise).

What rule would you apply to the coordinates of each point when you rotate the TRIANGLE 180 degrees counterclockwise (180 degree clockwise)?

(x , y) --> (-y , -x) (x , y) --> (y , x) (x , y) --> (-x , -y) (x , y) --> (x , -y)

Describe what happens to the coordinates of the TRIANGLE when you rotate the TRIANGLE 270 degrees counterclockwise (90 degrees clockwise).

What rule would you apply to the coordinates of each point when you rotate the TRIANGLE 270 degrees counterclockwise (90 degrees clockwise)?

(x , y) --> (-x , y) (x , y) --> (-y , -x) (x , y) --> (y , -x) (x , y) --> (x , -y)

Describe what happens to the coordinates of the TRIANGLE when you rotate the TRIANGLE 360 degrees counterclockwise (360 degrees clockwise).

What rule would you apply to the coordinates of each point when you rotate the TRIANGLE 360 degrees counterclockwise (360 degrees clockwise)?

(x , y) --> (x , y) (x , y) --> (-x , -y) (x , y) --> (y , x) (x , y) --> (x , -y)

– Courtney Vail

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Rotations

1.

Exploring Rotations

2.

Rotation Questions

Information