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°