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2
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A point, ray, line, line segment, or plane that intersects the segment at its midpoint.
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3
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In a conditional statement, write the converse and then negate both the hypothesis and conclusion.
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4
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Angles whose sides form two pairs of opposite rays.
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5
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Two angles that share a common vertex and side, but have no common interial points.
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6
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Points that lie in the same plane.
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7
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A specific case for which the conjecture is false.
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8
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Two or more geometrical figures that intersect if they have one or more points in common.
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9
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Terms that can be described using known words such as point or line.
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13
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The opposite of the original stament.
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15
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Equal to the absolute value of the difference between the real numbers.
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17
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Closed plane figure that is formed by three or more line segments called sides. Each iside ntersects exactly two sides, one at each endpoint, so that no two sides with a common endpoint are collinear.
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18
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The real number that corresponds to a point.
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19
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A logical statement that has two parts, a hypothesis and a conclusion.
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24
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The absolute value of the differnce of the coordinates.
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26
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The rays of an angle.
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27
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Consists of two different rays with the same endpoint.
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28
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Has two dimensions. It is represented by a shape that looks like a floor or a wall, but it extends without end.
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30
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Consists of one endpoint and continues on infinitely the opposite way.
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32
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Has one dimension. It is represented by a line with two arrowheads, but it extends without end.
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33
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The point that divides the segment into two congruent segments.
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37
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A ray that divides an angle into two angles that are congruent.
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38
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Two rays with a common endpoint that point in opposite directions and form a straight line.
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39
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Angle that measures greather than ninty degrees, but less than one hundred and eighty degress.
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40
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A prood where you start with the temporary assumtion that the desired conclusion is false, then in the end, prove the orginal statement true by contradiction.
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41
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An unproven statement that is based on observations.
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42
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Angel that measure ninty degrees.
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43
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Points that are at the beginning and end of a line segment.
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44
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Angle that measures more than zero degrees, but less than ninty degrees.
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45
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Two adjacent angles whose noncommon sides are opposite rays.
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46
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Angle that measures one hundred and eighty degrees.
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