Rotations Day 1

Front

What is a rotation in geometry?

Back

A rotation is a transformation that turns a figure about a fixed point for a given angle.

Front

What are the coordinates of point B' after rotating point B(6,5) 180° about the origin?

Back

(-6,-5)

Front

What is the image of the point (-3,-4) after a 180-degree clockwise rotation around the origin?

Back

(3,4)

Front

How many degrees is a 90-degree counterclockwise rotation?

Back

90 degrees counterclockwise.

Front

What is the fixed point called around which a rotation occurs?

Back

Point of Rotation.

Front

What is the result of rotating a point (x,y) 180° about the origin?

Back

(-x,-y) is the new coordinate.

Front

What type of transformation is a rotation?

Back

A rigid transformation, meaning the shape and size of the figure remain unchanged.

Front

If a figure is rotated 90 degrees clockwise, how do the coordinates change?

Back

The new coordinates (x,y) become (y,-x).

Front

What is the difference between clockwise and counterclockwise rotation?

Back

Clockwise rotation moves in the direction of a clock's hands, while counterclockwise moves in the opposite direction.

Front

What is an example of a rotation in real life?

Back

The spinning of a Ferris wheel.