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**2.**The adjacent leg of an angle over the hypotenuse. A basic function of trigonometry.**4.**An angle whose measure is less than 90 degrees.an angle whose measure is less than ninety degrees but more than zero degrees.**7.**The formula that is used to find the distance between two points. The equation used to find the distance between two points, when given coordinates.**9.**An angle that is greater than ninety degrees is a ______. An angle with a measure greater the 90 degrees but less than 180 degrees.**10.**Flat surfaces that extend forever in all directions. Is defined by at least 3 points.**11.**_____ is a ninety degree angle. An angle that equals exactly 90 degrees.**12.**One of the basic trigonometry functions.The opposite leg of an angle over the hypotenuse.**14.**Used to find the midway between two points given the points. The formula to find the midpoint.**15.**Two or more angles that are next to each other. Two non-overlapping agues that share common side and common vertex.**18.**When two lines cross at a ninety degree angle. When a right angle is formed by a pair of angles

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**1.**A geometric figure that divides a line segment exactly in half. A line, ray or segment that passes through the midpoint of a segment.**3.**The intersection of two sides of a polygon. A point where two or more line segments meet.**5.**The set of several points between and beyond two points. A _______ is infinite in length.**6.**An _______ is formed when two rays share an endpoint. Made when two lines meet at a common endpoint.**8.**A portion of a line. The lengths finite and determined by the two endpoints.**10.**A location in space with no exact size or shape. Shown as a dot with a capitol letter.**13.**Lines that do not cross each other. Lines that will never cross each other.**16.**Points that lie on the same plane are____ points. Points that are on the same plane.**17.**Points that are on the same line are_______. A set of points that lie on a straight line.**19.**A part of a line that has an endpoint and another end that extends into infinity. A part of a line that has one endpoint but is otherwise unbounded.