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Unit 6 Geometry
| Question | Answer |
|---|---|
| angle | a geometric shape formed by two rays, lines, or line segments that meet at a common point |
| ray | a straight row of points that starts at one point and goes on forever in one direction |
| vertex | the point where two rays, lines, or line segments meet to form an angle |
| degree | a unit used to measure angles; there are 360 degrees in a circle |
| right angle | an angle that looks like a square corner and measures 90 degrees |
| acute angle | an angle that measures more than 0 degrees but less than 90 degrees |
| obtuse | an angle that measures more than 90 degrees but less than 180 degrees |
| protractor | a tool used to measure angles |
| additive angle | combining angle measures to find the total angle Point- a single location in space |
| line segment | a straight row of points that starts at one point and ends at another; part of a line |
| parallel lines | two lines that are always the same distance apart and will never intersect |
| perpendicular lines | two lines that cross at a 90 degree angle |
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