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| flat surface made up of points |
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| two statements formed together by "and" |
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| made up of points. Has no thicknesss or width. |
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| a ray that divides an angle into congruent angles |
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| intersect to form right angles, form congruent adjacent angles |
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| postulate for 3 ppoints and a plane |
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| through any three points that are noncollinear there is exactly one plane |
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| educated guess based on known information |
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| a plane contains at least three points not on the same line |
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| share a common endpoint and go into opposite directions |
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| has opposite meaning as well as opposite truth value of a statement |
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| if two points lie in a plane then the entire line containing those points lies in that plane |
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| any segment or line that intersects a segment at its midpoint. |
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| depends on the smallest unit available on the measuring tool. Should be precise to .5 unit of measure. Ex. 1 precision: .5 or 1.5 |
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| the truth or falsity of a statement |
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| compound statement formed with the word "or" |
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| a point inbetween two other points |
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| two nonadjacent angles formed by two intersecting lines |
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| common endpoint of an angle |
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| two angles that lie in same plane, have common vertex and a common side |
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| two angles whose measures add up to 180 degrees |
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| points that lie on the same line |
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| if two angles are vertical angles then they are congruent |
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| a convex polygon in which all the sides are congruent and all the angles are congruent |
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| has one endpoint and goes infinitely on in one direction |
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| points that lie on the same plane |
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| a=b then a may be replaced my b in any equation of expression |
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| no points of the lines are in the interior |
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| a line contains at least two points |
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| How do you find a midpoint? |
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| if R is in the interior of |
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| if any lines extend to the interior of the polygon |
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| if two angles form a linear pair, then they aresupplementary angles |
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| angles complementary to the same angle or to congrent angles are congruent |
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| segment addition postulate |
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| if b is between a and c then ab+bc=ac |
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| all right angles are congruent |
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| angles supplementary to the same angle or to congruent angles are congruent |
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| if 2 angles are congruent and supplementary then each angle is a right angle |
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| if two lines intersect then their intersection is exactly one point |
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| if two planes intersect then their intersection is exactly one line |
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| multiplication and division prop. |
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Definition
a=b then a x c=b X c
and a/c =b/c |
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| measures add up to 90 degrees |
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| perpendicular lines form congruent adjacent angles |
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| form of reasoning used to draw conclusions from true conditional statements |
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| postulate for a line and points |
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| through any two points ther is exactly one line |
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| if two congruent angles form a linear pair, then they are right angles |
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| if M is the midpoint of AB then AM=MB |
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| addition and subtraction prop. |
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| a=b then a+c=b+c and a-c=b-c |
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| if the noncommon sides of two adjacent anges form a right angle then the angles are complementary angles |
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| perpendicular lines intersect to form right angles |
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