Lines and Angles Practice

Front

What is the value of x if the angles are supplementary and one angle is 72°?

Back

x = 108°

Front

Identify the angle relationship when two parallel lines are cut by a transversal and the angles are on opposite sides of the transversal but inside the parallel lines.

Back

Alternate Interior

Front

If Angle 1 = 27°, what is the measure of Angle 4 if Angle 4 is vertically opposite to Angle 1?

Back

Angle 4 = 27°

Front

Identify the angle relationship when two parallel lines are cut by a transversal and the angles are on the same side of the transversal but inside the parallel lines.

Back

Consecutive Interior

Front

What is the relationship of the angles when two intersecting lines form two pairs of opposite angles?

Back

Vertical Angles are equal.

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

If two angles are complementary, what is the relationship between their measures?

Back

The sum of their measures is 90°.

Front

What do you call angles that are formed when two lines intersect?

Back

Vertical Angles.

Front

If two parallel lines are cut by a transversal, what can you say about the corresponding angles?

Back

Corresponding angles are equal.

Front

What is the measure of each angle in an equilateral triangle?

Back

Each angle measures 60°.