The point where two rays meet

An angle that is exactly 90 degrees

An angle less than 90 degrees

An angle greater than 90 degrees

An angle exactly 180 degrees

Opposite angles formed by the intersection of two lines

Two angles that share a common vertex and common side

Two angles whose measurements add up to 90 degrees

Two angles whose measurements add up to 180 degrees

A triangle with all acute angles

A triangle with exactly one right angle

A triangle with one obtuse angle

A triangle with no congruent sides

A triangle with at least 2 congruent sides

A triangle with all 3 congruent sides

A figure with 3 sides and 3 angles

Sides with the same length

Gives the ratio that compares measurements of a model to the real object

A three dimensional figure with at least 2 parallel congrunet bases

Parallel congruent faces of a prism

A three dimensional figure with one base that is a polygon

A flat surface that goes on forever in all directions

2 points/segments that lie in the same plan

Lines that will never intersect

Where 2 planes intersect in a line

A flat surface of an object

A line segment whose endpoints are neither adjacent nor on the same face

Three dimensional figure with flat surfaces that are polygons

A three dimensional figure with two parallel circular bases connected by a cured surface

One circular base connected by a curved side to a single vertex