Math Chapter 9 Flashcards
1
Q
What is a point?
A
A point is a location in space. It has no size.
2
Q
What is a line?
A
A line is a series of points that extends in two directions without end. A line can be named with a lowercase letter.
3
Q
What is a plane?
A
A plane is a flat surface. It has no thickness and continues without end in all directions.
4
Q
What is a segment?
A
A segment is a part of a line. It has two endpoints. The length of PQ is written as PQ.
5
Q
What is a ray?
A
A ray is a part of a line. It has exactly one endpoint. Name its endpoint first.
