| conclusion | | _______ angle of a polygon is an angle created by the side of a polygon and the extension of an adjacent side |
| exterior | | if a=b, then b=a |
| parallel lines | | ________ angles are two angles whose sum is 90 degrees |
| adjacent | | _________ angles are two angles whose sum is 180 degrees |
| parallel planes | | planes that never intersect |
| congruent | | an eight sided polygon |
| congruent segments | | the part of a conditional statement that follows the "if" |
| equilateral | | ________ angles are angle pairs that are on the same side of the transversal and in the same position on the lines |
| ray | | a=a |
| skew lines | | a line segment, line or ray that is perpendicular to a segment at its midpoint |
| conditional | | a line that intersects two or more lines |
| transversal | | a closed plane figure with atleast three sides |
| supplementary | | shows that the conjecture is wrong |
| biconditional | | lines that intertersect forming right angles |
| diagonal | | A ______ angle is an angle whose measure is 180 degrees |
| transitive | | _______ angles are two angles with a common side and vertex |
| corresponding | | A _____ angle that is 90 degrees |
| coordinate point | | a part of a line consisting of two endpoints |
| acute | | a five sided polygon |
| coplanar | | lines on the same plane that never intersect |
| right | | consist of a x and y |
| pentagon | | _______ triangle is a triangle with at least two sides congruent |
| perpendicular bisector | | an _______ angle measures less than 90 degrees |
| straight | | a conclusion based on inductive reasoning |
| segment | | cuts an angle in half |
| vertical | | _______ angles are two nonadjacent angles formed by intersecting lines |
| octagon | | two lines not on the same plane that never intersect |
| perpendicular lines | | the part of a conditional that follows the "then" |
| converse | | a polygon with all sides congruent |
| scalene | | angles that have the same measure |
| polygon | | segments that have the same measure |
| obtuse | | lies on the same plane |
| alternate interior | | an ________ angle measures more than 90 and less than 180 degrees |
| conjecture | | an if-then statement, if p then q |
| theorem | | a flat surface that has no thickness |
| angle bisector | | a polygon with all angles congruent |
| symmetric | | whether a conditinal statement is true or false |
| counterexample | | if a=b and b=c, then a=c |
| equiangular | | a conjecture that is proven |
| regular | | a _______ polygon has all sides and angle congruent |
| isosceles | | the process of reasoning logically from given statements to a conclusion |
| hypothesis | | a six sided polygon |
| reflexive | | a _______ triangle has no sides congruent |
| complementary | | _______ _______ are angle pairs that are inside two lines alternating the transversal |
| plane | | when a conditional and its converse are true, it can be combined with iff |
| deductive reasoning | | points that lie on the same line |
| collinear points | | when you switch the hypothesis and conclusion |
| truth value | | a line that connects two vertices of a polygon |
| hexagon | | is a part of a line that consist of an endpoint and all the points of the line on one side of the endpoint |
