Math Chapter 9 Flashcards
1
Q
Line
A
Contians 2 points, extends infinetly in both directions, flat
2
Q
Points
A
An exact location
3
Q
Segment
A
Part of a line with 2 endpoints
4
Q
Ray
A
Part of a line with 1 endpoint and extends infinitelty in 1 direction
5
Q
Endpoint
A
Point marking the end of a line segment or ray
6
Q
Vertex
A
Point where 2 or more line segements meet
7
Q
Angle
A
2 rays connected at a vertex
8
Q
Parallel lines
A
Lines that do not intersect and are equal distance apart from one another
9
Q
Perpendicular lines
A
Lines that intersect to create right angles
10
Q
Intersecting lines
A
Lines that share a common point
11
Q
Right angle
A
Exactly 90 degrees
12
Q
Straight angle
A
Exactly 180 degrees
13
Q
Acute angle
A
Less than 90 degrees
14
Q
Obtuse angles
A
Between 90 and 180 degrees
15
Q
Complementary angles
A
Angles whose sum is 90 degrees
