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Lines and Angles - Coggle Diagram
Lines and Angles
Vertical
Straight
From North to South
Parallel
Horizontal
From East to West
Parallel
Straight
Parallel Lines
Lines that continue on forever without crossing over.
Perpindicular
Lines that meat together to make an angle
Line segment
A piece of a line
Oblique
Not Parallel (will cross over)
Ray
A line that goes forever
Acute Angle
Less then 90 degrees
Obtuse Angle
More than 90 degrees less than 180 degrees
Straight
Equal to 180 degrees
Reflex angle
More than 180 degrees and less than 360 degrees
Right angle
Equal to 90 degrees
Vertex
The Vertex is the inside part of the angle in which the angle is met.
Arms
Two rays that meet to make an angle.
Complementary
2 angles that equal to 90 degrees
Supplementary angle
2 angles that add up to 180 degrees
Opposite angle
Angle directly opposite is of equal measure
Angle at a point
Angles that share a vertex