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10 Cards in this Set
- Front
- Back
absolute value
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The distance of a number from zero; the positive value of a number.
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acute angle
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A positive angle measuring less than 90 degrees.
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acute triangle
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A triangle each of whose angles measures less than 90 degrees
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additive identity
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number The number zero is called the additive identity because the sum of zero and any is that number.
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additive inverse
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The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5.
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adjacent angles
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Two angles that share both a side and a vertex.
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angle
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The union of two rays with a common endpoint, called the vertex
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arc
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A portion of the circumference of a circle.
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area
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The number of square units that covers a shape or figure.
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associative property of addition
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(a + b) + c = a + (b + c)
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