Semester 1 Review / Extra Credit

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Back

13

Front

What are complementary angles?

Back

Two angles whose sum is 90 degrees.

Front

The angle relationship shown is -

Back

supplementary angles

Front

A plane containing point A.

Back

Plane DEA

Front

Name the Image: A straight path that extends infinitely in both directions.

Back

Line

Front

What is the sum of supplementary angles?

Back

180 degrees.

Front

Define vertical angles.

Back

Angles that are opposite each other when two lines intersect.

Front

What is a ray?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

Back

Segment Addition Postulate.