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10 Cards in this Set
- Front
- Back
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perfect square
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rational # whose square roots are whole #s
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square root
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one of the two equal factors of a #
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radical sign
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the symbol √ is used to indicate a non negative square root
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irrational numbers
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a number that cannot be expressed as a/b where a and b are integers and b does not equal 0.
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real #s
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the set of rational numbers toghether with the set of irrational numbers
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angle
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two rays with a common end point form an angle the rays and vertex are used to name an angle
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degree
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the most common unit of messure for an angle
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protractor
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an instrament used to messure angles
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acute angle
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an angle with a messure greater than 0 and less than 90 degrees
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right angle
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an angle that messures 90 degrees
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