Translation, Reflection, and Rotation

What is translation in geometry?

• Moving a shape or object without changing its size, shape, or orientation.

• Changing the size of a shape or object without moving it.

• Reflecting a shape or object over a line without changing its size or position.

• Rotating a shape or object without changing its size or position.

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What is the angle of rotation for a full turn?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

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CCSS.4.MD.C.5

What is the difference between a line and a ray?

• A line extends infinitely in one direction, while a ray extends infinitely in both directions.

• A line extends infinitely in both directions, while a ray extends infinitely in one direction.

• A line is a straight path that goes on forever, while a ray is a curved path that ends at a point.

• A line has a starting point and an ending point, while a ray has only one endpoint.

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CCSS.HSG.CO.A.1

Which transformation flips a figure over a line?

• dilation

• rotation

• reflection

• translation

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What is the measure of a straight angle?

• 45 degrees

• 90 degrees

• 360 degrees

• 180 degrees

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CCSS.HSG.CO.A.1

What is the result of rotating a figure 180 degrees?

• Diagonal

• Sideways

• Upside down

• Right side up

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What is the difference between a line segment and a ray?

• A line segment has two endpoints, while a ray has one endpoint and extends infinitely in one direction.

• A line segment extends infinitely in one direction, while a ray has a fixed length.

• A line segment has one endpoint, while a ray has two endpoints.

• A line segment is a straight path, while a ray can be curved.

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CCSS.HSG.CO.A.1

Which transformation moves a figure without changing its size, shape, or orientation (turning it)?

• dilation

• rotation

• translation

• reflection

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CCSS.HSG.CO.A.2

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What is the measure of a right angle?

• 60 degrees

• 180 degrees

• 90 degrees

• 45 degrees

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CCSS.HSG.CO.A.1

Rigid motions are the result of any movement of the plane in which the distance between any two points stays the same.

• Measurement, same

• distance, same

• movement, same

• size, same

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CCSS.HSG.CO.A.2

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