All About Angles
Learn about all the different kinds of angles!
Here are some helpful websites.
Acute Angle
An acute angle measures in at anything less 90 degrees.
Obtuse Angle
An obtuse angle measures in at anything more then 90 degrees but has to be less then 180 degrees.
Right Angle
A right angle measures in at exactly 90 degrees.
Straight Angle
A straight angle measures in at exactly 180 degrees.
Protractor
This is a tool used to measure angles.