(retry) P. 4 Rotation Practice 2024

Front

What is rotation in geometry?

Back

Rotation is a transformation that turns a figure around a fixed point, called the center of rotation.

Front

What is the center of rotation?

Back

The center of rotation is the point around which a figure is rotated.

Front

What does it mean to rotate a point 90 degrees counterclockwise?

Back

To rotate a point 90 degrees counterclockwise means to turn the point 90 degrees in the opposite direction of the clock's hands.

Front

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

Back

(3,4)

Front

What is the image of the point (-5,8) after a 270-degree counterclockwise rotation around the origin?

Back

(8,5)

Front

What happens to a point when it is rotated 360 degrees?

Back

The point returns to its original position.

Front

What is the result of rotating a point 180 degrees around the origin?

Back

The coordinates of the point change signs.

Front

How do you determine the new location of a triangle after rotation?

Back

You apply the rotation rules to each vertex of the triangle.

Front

What is the image of a point (x,y) after a 90-degree counterclockwise rotation?

Back

(-y,x)