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Math Ch. 10 vocab
Quiz: Thursday, May 10th, 2012
Question | Answer |
---|---|
Protractor | An instrument used to measure angles |
Angle | A plane figure formed by 2 rays with a common endpoint |
Side/Ray | A part of a line or angle that has one endpoint and can go on forever in one direction |
Vertex | The common endpoint of 2 rays in an angle, of 2 line segments in a pollygon, or 3 or more edges in a solid figure |
Interor Point | On the inside of an angle |
Exterior Point | On the outside of an angle |
Degrees | A unit to measure angles and temprature |
Parallel | Lines that do not intersect |
Skew | Lines that do not intersectm are not in the same plane, and are not parallel |
Perpendicular | Lines that intersect to form right angles |
Congruent | The same size and shape |
Right Angle | An angle that measures 90* |
Acute Angle | An angle that measures less than 90* |
Obtuse Angle | An angle that measures more than 90* |
Straight Angle | 180* angle |