24 25 Chapters 1-4 Vocabulary

Front

What is a flat surface made of points that have infinite length and width but no height?

Back

A plane is named with three points that are not on the same line or by a capital ‘funny font’ letter.

Front

What do you call points that lie on the same plane?

Back

Coplanar points.

Front

What are the non-adjacent angles formed by two intersecting lines called?

Back

Vertical angles.

Front

What do you call angles that have the same measure?

Back

Congruent angles.

Front

What is a point that divides a segment into two congruent segments?

Back

Midpoint.

Front

What is the definition of a line in geometry?

Back

A line is a straight one-dimensional figure that has no thickness and extends infinitely in both directions.

Front

What is the term for two lines that intersect at a right angle?

Back

Perpendicular lines.

Front

What do you call the distance around a circle?

Back

Circumference.

Front

What is the term for a segment that connects two points on a circle?

Back

Chord.

Front

What is the definition of an angle?

Back

An angle is formed by two rays with a common endpoint called the vertex.