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### 15 Cards in this Set

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 The distance around a figure. perimeter Having the same size and shape. congruent A number that is a multiple of all denominators in a problem. common denominator The result of multiplying two or more numbers. product The difference between the least and greatest values in a set of numbers. range Three or more line segments in a plane that form a closed figure. polygon The distance around a circle. circumference A triangle with sides of different lengths and no two angles are the same. scalene triangle An angle measuring more than 0O(degree) and less than 90O (degree). acute angle The point of intersection for two sides of a plane figure, three sides of a solid figure, or the endpoints of two rays that form an angle. vertex Any number that is multiplied to form a product. factor Reversed position or direction. inverse Surface space that is measured in square units. area A number with only two factors: the number itself and one. prime number Having the same value. equivalent