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| The points on a __ can be paired with real numbers in such a way that any two points can have the coordinates _and _ |
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| If b is between A and C then AB + BC =AC |
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| Segment Addition Postulate |
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| The bisector of a segment___ |
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| is a line, segment, ray, or plane that intersects the segments t its midpoint |
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| measures between 0 and 90 degrees |
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| measures exactly 90 degrees |
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| measures between 90 and 180 |
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| 2 angles in a plane that have a common vertex and a common side but no common interior points |
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| A line contains at least __ points, a plane contains at least __ points not all in one line; space contains at least 4 points not all in one ___ |
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2,3, line
(postulate 5 p23) |
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| thought any 2 points there is exactly one __ |
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| through any 3 points there is at least one __ and through any 3 noncollinear points there is exactly one __ |
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| If two __ are in a line then the line that contains the points is in that plane |
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| If 2 planes intersect, their intersection is a___ |
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| If two lines intersect, then they intersect in exactly one __ |
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| Which part of this statement is the hypothesis: If i am a Yankees fan, then i know what is best :) |
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| the first part, IF i am a yankees fan |
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Which part of this statement is the conclusion:
If i live in Texas, then i live in the USA |
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| the second part starting with THEN, i live in the usa (where the partys at!) |
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| a biconditional contains the phrase |
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| if, a=b, and c=d, then a+c=b+d |
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| if a=b and c=d, then a-c=b-d |
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| if a=b then i can substitute a for b or b for a |
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| if a=b then b=a (i doubt we will have to know this but u never know!) |
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| If m id the midpoint of segment AB then AM=1/2 AB and MB=1/2AB |
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| if rayBX is the bisector of |
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| 2 lines that intersect to form 90 angles |
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x + y= 4x
x-y=2x
is an example of wht? |
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| are noncoplannar lines therfor they are neither paralell or intersecting |
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| if 2 parallel lines are cut by a ___, the corresponding angles are ____ |
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transversal, congruent
p 79 postulate 10 |
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| if 2 parallel lines are cut by a transversal then the _____ angles are congruent |
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alternate interior
Theorem 3-2 p78 |
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| If 2 parallel lines are cut by a transversal, then the same side interior angles are supplementary |
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| If a transversal is perpendicular to one of 2 paralell lines, then it is perpendicular to the other one also. |
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| If two lines are cut by a transversal then corresponding angles are___ |
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| has at least 2 sides congruent |
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| has at least 1 obtuse angle |
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| a statement that can be proved easily by applying a theorem |
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| the measure of an exterior angle of a triangle equals the measures of the 2 remote interior anles. |
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| a polygon such that no line containing a side of the polygon, |
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| the sum of the measures of of the angles of a convex polygons with n sides is |
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(n-2)180
theorem 3-13 p 102 |
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| the sum of the measures of the exterior angles of any convex polygon, one angle at each vertex, is 360 |
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