Understanding Transformations in Geometry

Front

What is a reflection in geometric terms?

Back

A figure that is flipped over a line of reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean for two figures to be similar?

Back

They have the same shape but different size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is a rigid transformation?

Back

A transformation where all dimensions are the same after mapping.

Tags

CCSS.HSG.CO.B.6

Front

What is the image in a transformation?

Back

The figure after mapping.

Tags

CCSS.HSG.CO.A.2

Front

What is the preimage in a transformation?

Back

The figure before mapping.

Tags

CCSS.HSG.CO.A.2

Front

What is a rotation in geometry?

Back

A transformation that turns a figure around a fixed point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a translation in geometry?

Back

A transformation that slides a figure to a different location without changing its shape or size.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the line of reflection?

Back

The line over which a figure is flipped in a reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the center of rotation?

Back

The fixed point around which a figure is rotated.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between rigid and non-rigid transformations?

Back

Rigid transformations preserve size and shape, while non-rigid transformations do not.

Tags

CCSS.HSG.CO.A.2