Transformations

Front

What is the mathematical term for the line that you reflect a shape over?

Back

Line of reflection.

Front

What is the transformation that moves a shape without changing its size or orientation?

Back

Translation.

Front

What does congruent mean in geometry?

Back

The same size and same shape.

Front

Is a dilation with a scale factor of 1/3 a reduction?

Back

True.

Front

Identify the transformation: A shape is moved 5 units left and 1 unit up.

Back

Translation 5 units left, 1 unit up.

Front

What is a reflection in geometry?

Back

A transformation that flips a shape over a line.

Front

What is a rotation in geometry?

Back

A transformation that turns a shape around a fixed point.

Front

What is a dilation in geometry?

Back

A transformation that changes the size of a shape but not its shape.

Front

What is the scale factor in a dilation?

Back

The ratio of the size of the image to the size of the original shape.

Front

What does it mean for two shapes to be similar?

Back

They have the same shape but not necessarily the same size.