Unit 2/3 Review

Front

Identify the transformation from ABC to A'B'C'.

Back

Reflection across the x-axis.

Front

Find the measure of angle 1.

Back

44°.

Front

In the diagram, which of the following statements are false? ∠1 and ∠4 are vertical angles, ∠4 and ∠5 are alternate interior angles, ∠1 and ∠8 are alternate interior angles, ∠2 and ∠6 are corresponding angles.

Back

∠1 and ∠8 are alternate interior angles.

Front

Name the alternate interior angle to angle 3.

Back

5.

Front

A turn is also called a ___________.

Back

Rotation.

Front

What is the definition of vertical angles?

Back

Vertical angles are the angles opposite each other when two lines cross. They are always equal.

Front

What is the definition of alternate interior angles?

Back

Alternate interior angles are pairs of angles that are on opposite sides of the transversal and inside the two lines.

Front

What is the definition of corresponding angles?

Back

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

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape to create a new shape.

Front

What is the formula for finding the sum of interior angles of a polygon?

Back

(n-2) × 180°, where n is the number of sides.