Angles Flashcards
(17 cards)
Line
- Contains 2 points
- Extends infinitely in both directions
- Flat
Point
An extract location
Segment
Part of a line with 2 end points
Ray
Part of a line with 1 end point and extend infinitely in 1 direction
Endpoint
Point marking the end of a line segment or ray
Vertex
Point where 2 or more line segments
Angle
2 rays connected at a vertex
Parallel lines
Lines that don’t intercept and are equal distances apart from one another
Parallel lines
Lines that don’t intercept and are equal distances from one another
Perpendicular lines
Lines that intercept each other at a right angle
Intersecting lines
Lines that share a common point
Right angle
Exactly 90º
Straight angle
Exactly 180º
Acute angle
Less than 90º
Obtuse angle
Between 90º and 180º 91º-179º
Complementary angles
Angles when sum is 90º
Supplementary angles
Angles when sum is 180º