Angle Pair Relationships

Front

What are Alternate Exterior Angles?

Back

Angles that are on opposite sides of a transversal and outside the two lines it intersects.

Front

What are Same Side Exterior Angles?

Back

Angles that are on the same side of a transversal and outside the two lines it intersects.

Front

What are Vertical Angles?

Back

Angles that are opposite each other when two lines intersect. They are always equal.

Front

What are Corresponding Angles?

Back

Angles that are in the same position on two parallel lines in relation to a transversal.

Front

What is the sum of angles on a straight line?

Back

180 degrees.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

If two angles are complementary, what is their sum?

Back

90 degrees.

Front

If two angles are supplementary, what is their sum?

Back

180 degrees.

Front

Solve for x: 2x + 30 = 90.

Back

x = 30.

Front

Solve for x: 3x + 15 = 180.

Back

x = 55.