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Parabolaset of points equal distance from a focus and a directrix
Parallelextending where each matching point on different lines is equidistant
ParallelogramA quadrilateral with both pairs of opposite sides parallel to each other.
PentagonA polygon having five angles and five sides. Each angle is 108 degrees.
Percenta number out of 100 (%)
Example: "50%, 75%"
PerimeterThe border of a two-demensional figure.
Perpendicularat right angles to
Piratio of the circumference to the diameter of a circle (3.1415926...)
Plane Geometryarea of geometry dealing two-dimensional figures
Point"a place in space with zero dimensions, shape, size, or extension"
PolygonA closed figure with three of more straight sides.
Positive NumberA number that is greater than zero.
Example: 1,2,3,4,5,6,7
Prime FactorizationCalculation of all prime factors in a number.
Example: The prime factors of 84 are 7 x 3 x 2 x 2.
Prime Numberany integer that cannot be divided by another number evenly except by itself and 1; two is the smallest prime number
Example: "2, 3, 5, 7, 11, 13"
PrismA solid with bases that are parallel, congruent polygons and sides that are parallelograms.
ProbabilityThe possibility that an event will occur, as expressed by the ratio of the number of actual occurances to the total of possible occurances.
Productthe number that results by multiplying two or more numbers together
Example: 8 x 8 = 64 64 is the product
Proper Factor Any whole-number factor of a number except the number itself.
Example: For example, the factors of 10 are 1, 2, 5, and 10. The proper factors of 10 are 1, 2, and 5.
Proper FractionA fraction with a numerator less than the denominator.
Example: Proper: 1/2 Improper: 2/1
Pyramida shape with a polygonal base and triangular sides meeting at a common point (vertex)

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