## Glossary of Geometry OG Dove

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- what are the 3 undefined words?
- Line, Plane, Point

- A ____ is a statement that is accepted without proof.
- Postulate

- What is the unique line postulate?
- through 2 distinct points, there is exactly one line

- What are the Angle Classifications?
- -obtuse

-acute

-right

-straight line

- What is the unique plane postulate?
- 3 noncollinear points determine a plane

- If 2 angles form a linear pair then they are....
- Supplementary or adjacent

- Usint a pattern to make a conjecture is using ______ reasoning.
- inductive

- The sum of 2 angles that add up to 90 degrees is....
- complementary

- The sum of 2 angles that add up to 180 degrees is....
- supplementary

- If 2 coplanar lines are not parallel, then they intersect at exactly one ___.
- point

- If 2 distinct planes are not parallel, then they intersect at exactly one ____.
- line

- A plane and a noncoplanar line (not parallel) intersect at exactly one ____.
- point

- If 2 distinct planes intersect, then their intersection is a ____.
- line

- what is an adjacent angle?
- an angle that share a common side and vertex

- right angles have the measure of what angle?
- 90 degress

- coplanar means...
- lies on the the same plane

- congruentmeans...
- smae size, same shape

- complemantary angles have the sum of 180 degrees when added together...true or false?
- false

- Acute angles measure less than or more than 90 degrees
- less than

- Supplementary angles have a sum of 180 degrees when added together...true or false?
- true

- collinear means...
- lies on the same line

- a conclusion is the part that follows THEN in a conditonal
- true

- What is a vertex?
- the common endpoint of the sides of an angle

- what is a hypothesis?
- the part that follows IF in a conditonal

- A similar is when u have just the same shape...true or false?
- true

- inductive reasoning is the process of wat?
- looking for patterns

- What is a contrapositive?
- a hypothesis and conclusion negated and intercharged