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24 Cards in this Set

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 image the shape made with a two-band stretcher parallel two lines that are in the same plane that will never meet or intersect parallelogram a closed, four-sided figure with opposite sides parallel square root 3 is an example of this when comparing it to 9 ratio comparison of two similar things (quantities) that tells the scale between them-- usually written as a fraction (one number divided by another number) complementary angles pairs of angles whose measures add up to 90 degrees corresponding angles angles of two different figures that are in the same, relative position scale factor a number used to multiply the sides of a figure to stretch or shrink it corresponding sides sides of two different figures that are in the same, relative position angle measure or the unit of measure for an angle An angle is measured with the unit called a degree. A 'right angle' is a total of 90 degrees. equivalent ratios ratios written as fractions that have the same value; e.g. 1/2 is a ratio and 2/4 is a ratio; and these two ratios are equal or 'equivalent'. congruent When shapes are identical, we call these shapes 'congruent' coordinate a pair of numbers that work together to form a point. e.g., (2,4) is a point on a coordinate graph midpoint a center point on a line a rep-tile tiles put together to form a larger, SIMILAR figure probability PROBABILITY is the chance that something will occur. QUESTION: What is the chance that a coin will fall on the 'heads' side: ANSWER: 1 chance out of two or 50% perimeter the distance around a polygon quadrilateral a closed four-sided figure supplementary angles two angles whose measures add up to 180 degrees a dimension the length and width of a polygon is called DIMENSION to square a number multiplying a number times itself gives you that number's SQUARE similar shapes shapes that have a scale factor, and the same angles and the same shape a tessellation a pattern that is repeated to completely cove all spaces in a flat surface a transformation something that has been changed