Growing Geometry Vocabulary

Two angles that add up to 90 degrees.

An angle whose measure is 360 degrees.

An angle whose measure is between 180 and 360 degrees.

An angle whose measure is between 0 and 90 degrees.

Points that all lie on the same plane

Geometric figure made of any two rays with a common endpoint.

Means the same thing as postulate, a geometric idea that is accepted as true without proof.

points that lie on the same line

Two angles that add up to 180 degrees.

Angles that have a common end point, a common side, but no common interior points.

Any figure that cuts an angle in half.

An angle whose measure is 180 degrees.

Angles that have the same measure are called ______________ angles.

Angles created by intersecting lines and must always have equal measures.

What do the formulas below help you find?

An angle whose measure is less than 0 degrees or greater than 360 degrees.

An angle whose measure is between 90 and 180 degrees.

What is one of the undefined terms of geometry?

An angle whose measure is 90 degrees.

segments that have the same measure are called __________ segements.