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### 9 Cards in this Set

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 average/mean the sum of given numbers divided by the number of numbers used in figuring the sum area of triangle area equals the length of the base (b) multiplied by the height (h) and divide by two {A=1/2bh) axis a number line which can be used to indicate aposition of a point, based on its coordinates absolute value the distance of a number from zero; always non-negative angle a geometric figure made up of two rays or line segments that have the same endpoint acute angle an angle with a measure of less than 90º area the measure in square units of the interior region of a plane figure or the surface of a three dimensional figure acute triangle a triangle with all three angle measures less that 90º arc the portion of a circle between two points on a circle