Angles
L.O. Learn about lines and angles
What is a...
Horizontal-
A line that goes East to West.
Perpendicular-
Lines that are at right angles (90') to each other.
Parallel lines-
Two lines that never meet.
Tranversal-
360' In a circle
180' in a half a circle
90' in a quarter of a circle.
Angles
Acute angle
Less than 90°
Right angle
Exactly 90°
Obtuse angle
Between 90° and 180°
Straight angle
Exactly 180°
Reflex angle
Between 180° and 360°
Revelution
Exactly 360°