Exploring Rotations in Geometry

What type of transformation is a rotation classified as?

• Non-rigid transformation

• Rigid transformation

• Irreversible transformation

• Linear transformation

What remains congruent after a rotation?

• Both pre-image and image

• Neither pre-image nor image

• Only the image

• Only the pre-image

Which of the following is NOT a type of rigid transformation?

• Translation

• Rotation

• Dilation

• Reflection

What is the center of rotation for the rotations discussed?

• Point (1,1)

• Point (0,0)

• Point (0,1)

• Point (1,0)

Which direction does a counterclockwise rotation move?

• In a linear direction

• Opposite to the direction of clock numbers

• In the direction of clock numbers

• None of the above

What is the degree measure of a rotation that moves the figure half way around?

• 360 degrees

• 90 degrees

• 180 degrees

• 270 degrees

What is the new position of a point (x, y) after a 90° clockwise rotation?

• (y, -x)

• (-x, -y)

• (-y, x)

• (x, y)

How does a 180° rotation affect the orientation of a shape?

• It reverses

• It becomes undefined

• It remains fixed

• It does not change

What tool is suggested for visually understanding rotations?

• Compass

• Ruler

• Wax paper

• Protractor

What is the result of a 270° clockwise rotation equivalent to?

• 180° clockwise

• 270° counterclockwise

• 90° clockwise

• 90° counterclockwise