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10 Cards in this Set

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 What is a Polygon? a closed plane figure whose sides are line segments. What is a Perimeter?? the distance around a plane figure. for rectangles, perimeter is calculated at 2x (width + length). for other polygons, add the lengths of their sides. What are Prime Numbers? numbers divisible only by themselves and one. What is a Parellelogram? a quadrilateral with 2 pairs of parallel sides. What is a Parallel?? when 2 lines, line segments or rays in the same plane never meet, no matter how far they extend. What is an Obtuse Angle?? angels greater then 90 degrees AND LESS then 180 degrees. What is a Pattern?? regularly recurring shapes, number sequences or events. What is a Probability?? the change that something will happen. What is a Perimeter?? the distance around a plane figure. for rectangles, perimeter is calculated at 2x (width + length). for other polygons, add the lengths of their sides. What is a Perpendicular?? a line, ray or linge segment positioned exactly at 90 degrees to another line, ray or line segment.