Vocabulary for Similarity and Dilations

Front

What is a transformation that produces a figure that is the same shape as the original figure but not the same size?

Back

Dilation

Front

What is the point from which a dilation is generated?

Back

Center of dilation

Front

What type of dilation occurs when the scale factor is between 0 and 1?

Back

Reduction

Front

If a dilation produces a congruent figure, what is the scale factor?

Back

1

Front

If ∆DEF ≅ ∆ACB, which part of ∆ACB corresponds to angle F?

Back

Angle B

Front

What is the term for a transformation that moves a figure without changing its size or shape?

Back

Translation

Front

What is the term for a transformation that turns a figure around a fixed point?

Back

Rotation

Front

What is the term for a transformation that flips a figure over a line?

Back

Reflection

Front

What is the scale factor in a dilation that enlarges a figure?

Back

Greater than 1

Front

What is the scale factor in a dilation that reduces a figure?

Back

Between 0 and 1