Geometry Final Review

Front

What is an angle bisector?

Back

An angle bisector is a line or ray that divides an angle into two equal parts.

Front

What is a perpendicular bisector?

Back

A perpendicular bisector is a line that divides a segment into two equal parts at a 90-degree angle.

Front

What is a median in a triangle?

Back

A median is a line segment that connects a vertex of a triangle to the midpoint of the opposite side.

Front

What is a midsegment in a triangle?

Back

A midsegment is a segment that connects the midpoints of two sides of a triangle.

Front

What are supplementary angles?

Back

Supplementary angles are two angles that add up to 180°.

Front

What are corresponding angles?

Back

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

Front

What are alternate interior angles?

Back

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

Front

What are alternate exterior angles?

Back

Alternate exterior angles are angles that are on opposite sides of the transversal and outside the two parallel lines.

Front

If one angle measures 60°, what is the measure of its supplementary angle?

Back

120°.

Front

If two angles are supplementary and one measures 140°, what is the measure of the other angle?

Back

40°.