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4 cards from this section. Quick, good the night before a test.
What is the measure of an acute angle?
Think of what is sharp.
What type of angle measures exactly 180°?
It's a straight line!
What type of angle is less than 90°?
Think sharp!
Is a right angle greater than or equal to 90°?
Remember the square in the corner!
Two angles are supplementary, and one measures 135°. What is the measure of the other angle?
Think of the supplementary angles concept.
If a reflex angle measures 260°, what is the angle’s other equivalent acute angle?
Recall how reflex angles work with rotations.
6 more questions in this section. Enroll free to practise them all.
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