Test Review

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a corresponding angle?

Back

Corresponding angles are angles that are in the same position on two parallel lines cut by a transversal.

Front

What is a pre-image in geometry?

Back

A pre-image is the original figure before any transformations are applied.

Front

What is an image in geometry?

Back

An image is the resulting figure after a transformation has been applied to the pre-image.

Front

What does it mean for angles to be congruent?

Back

Two angles are congruent if they have the same measure.

Front

What is the symbol for congruence?

Back

The symbol for congruence is '≅'.

Front

How do you denote that angle A is congruent to angle D?

Back

You write it as ∠A ≅ ∠D.