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5 Cards in this Set
- Front
- Back
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What is a right angle?
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an angle whose measures is exactly 90 degrees
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What is a straight angle?
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an angle whose measure is 180 degrees
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What are perpendicular lines?
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two lines that intersect
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What is an obtuse angle?
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an angle whose measure is greater than 90 degrees
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What is an acute angle?
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an angle whose measure is less than 90 degrees
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