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Angles
- Types of angles
- Measure angles with a protractor
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Types of angles
Types of angles:
A
right angle
is an angle whose measure is 90º. A right angle is often identified by a small square drawn inside it.
An
acute angle
is an angle whose measure is larger than 0º but less than 90º.
An
obtuse angle
is an angle whose measure is larger than 90º but less than 180º.
A
straight angle
is an angle whose measure is 180º. Such an angle is, in fact, a straight line.
What type of angle is it?
right angle
acute angle
obtuse angle