Geometry Midterm
Geometry Midterm Vocabulary
Terms
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- linear pair
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2 adjacent
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acute
- an angle with a measure between 0-90 degrees
- Substitution Property
- If a=b, then a can be substituted for b in any equation or expression
- Multiplication Property
- If a=b then ac=bc
- Subtraction Property
- If a=b then a-c=b-c
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vertical
- two non-adjacent angles formed by intersecting lines
- midpoint
- a point on the egment that divides the segment into two congruent segments
- Symmetric property
- If a=b then b=a
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straight
- an angle with a measure of 180 degrees
- Addition Property
- If a=b then a+c=b+c
- Division Property
- If a=b and c doesn't =0 then a/c=b/c
- angle bisector
- a ray that divides an angle into two congruent, adjacent angles
- obtuse angles
- an angle with a measure between 90-180 degrees
- Segment Addition Postulate
- If B is between A and C, then AB+BC=AC
- Reflexive Property
- For any real number a, a=a
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right
- an angles with a measure of 90 degrees
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complementary
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2
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adjacent
- two angles with a common vertex, a common side but no common interior points
- Transitive Property
- If a=b and b=c, then a=c
- supplementary angles
- 2 angles whose measures have a sum of 180 degrees
- bisector
- anything that divides something into two congruent parts
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congruent
- angles with the same measure
- Angle Addition Postulate
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If P is the interior of