Mr. T's shortened Basic Geometry Vocabulary PLUS

Front

What is a flat surface made up of points that has two dimensions and extends without end?

Back

A Plane.

Front

Which angles are formed when two lines intersect?

Back

Vertical Angles.

Front

What do you call two lines that intersect to form a right angle?

Back

Perpendicular Lines.

Front

What are the figures formed by two rays that share a common endpoint called?

Back

Angles.

Front

What do you call coplanar lines that do not intersect?

Back

Parallel Lines.

Front

What is the term for a point that has no dimensions?

Back

Point.

Front

What is the term for a straight path that extends infinitely in both directions?

Back

Line.

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary Angles.

Front

What is the term for angles that add up to 180 degrees?

Back

Supplementary Angles.

Front

What do you call a segment that divides an angle into two equal parts?

Back

Angle Bisector.