Angle Types
An OBTUSE angle is an angle that measures MORE than 90 degrees.
An ACUTE angle is an angle that measures LESS than 90 degrees.
A RIGHT angle measures EXACTLY 90 degrees.
A STRAIGHT angle measures 180 degrees.
Watch this BrainPop video on Angles and take the quiz! Learn about the difference between acute, obtuse, and right angles.
Can two obtuse angles make a straight angle? Why or why not?
When looking at a diagram, how can you tell a right angle is a right angle? What symbol usually appears in the corner?

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