Unit 9 Flashcards
1
Q
Line
A
- Continues 3 points
- Extends infinity in both directions
- Flat
2
Q
Point
A
An exact location
3
Q
Segment
A
Part of a line with 2 endpoint
4
Q
Ray
A
Part of a line with 1 endpoint, and extends infinity 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 segment meet
7
Q
Angle
A
2 rays connected at a vertex…
8
Q
Parallel lines
A
Line that don’t intersect AND are equal distance apart from one another
9
Q
Perpendicular line
A
Lines that intersect to create a right angle
10
Q
Intersecting line
A
Lines that share a common point
11
Q
Right angle
A
Exactly 90º
12
Q
Straight angle
A
Exactly 180º
13
Q
Acute angle
A
Less than 90º
14
Q
Obtuse angle
A
Between 90º and 180º
15
Q
Complementary angle
A
Angles whose sum is 90º
