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Coplanar lines that do not intersect. |
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Triangles with the same size and shape. |
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A triangle with at least 2 sides congruent. |
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The angles of a triangle that are not adjacent to a given exterior angle. |
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A line that intersects two or more lines in a plane at different points. |
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Lines that do not intersect and are not coplanar. |
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A statement that can be easily proved using a theorem. |
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The truth or falsity of a statement. |
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A statement that is proven true. |
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A statement that is accepted as true. |
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Opposite meaning of original statement. “Not” ~ |
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Negate the hypothesis and conclusion. |
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Reasoning that uses specific examples to arrive at a conjecture. |
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Uses laws to arrive at a conclusion. |
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Example that proves a conjecture false. |
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Switch the hypothesis and conclusion. |
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Negate and switch the hypothesis and conclusion. |
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A statement that can be written in “if-then” form. |
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An educated guess based on known information. |
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Two nonadjacent angles formed by two intersecting lines. |
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Two angles with measures that have a sum of 180. |
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A segment, line, or plane that intersects a segment at its midpoint. |
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A CONVEX polygon in which all of the sides and angles are congruent. |
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Lines that form right angles. |
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The point halfway between the endpoints of a segment. |
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A pair of adjacent angles whose non-common sides are opposite rays. |
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Has two endpoints, is finite. |
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Two angles with measure that have a sum of 90. |
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Points that lie in the same plane. |
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Points that lie on the same line. |
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A ray that divides an angle into two congruent angles. |
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Two angles that share a common side and vertex but don’t overlap. |
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