What are the three types of angles?
Acute, Obtuse, Right, and Straight
An angle that measures 90 degrees
Right
This is an example of
Acute Angle
An _____________ is made up of 2 rays and has 3 letters.
angle
180˚
Straight Angle
Which angle has a measurement of less than 90 degrees?
Acute
An angle that measures 32 degrees
Acute
This is an example of
Acute Angle
A tool that is used to measure angles is called a _____________________.
protractor
50˚
Acute Angle
Which angle has a measurement of exactly 180 degrees?
Straight angle
An angle that measures 160 degrees
Obtuse
This is an example of
Obtuse Angle
An angle's measure is between 0 and 180 ____________________.
degrees
90˚
Right Angle
Which angle or angles measure more than 90 degrees?
Obtuse and Straight
An angle that measures 91 degrees
Obtuse
True or False: Angles that measure greater than 90o are considered acute angles.
False: Obtuse angles measure greater than 90o
Angles are made up of 2 rays that share a common point called the ________________.
vertex
104˚
Obtuse Angle
Which angle measures exactly half of a straight angle?
Right Angle
Straight Angle
This is an example of an
A straight angle
When drawing an angle, it must have 3 _______________ and 2 ________________.
points or letters; arrows
179˚
Obtuse Angle