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unit 4 math
Ms.High
| Question | Answer |
|---|---|
| ray | a part of a line that has one endpoint and extends without end in one direction |
| angle | a figure formed by two rays or line segments by endpoint. |
| line | a straight path that goes on forever on opposite sides |
| perpendicular | lines ,line ,segments or rays are perpendicular if they form right angles. |
| parallel | the same distancee apart at every point. |
| olique | lines that are not paralell or perpendicular. |
| intersect | to cut or divide by passing through |
| protractor | a tool that is used to measure angles |
| degree | a unit for measuring angles. |
| right angle | a angle that measures 90 o |
| straight angle | angle of 180 |
| supplementary angles | if the sum of an abgle is 180 |
| complementary angles | if the sum of the angle is 90 |
| polygon | a closed plane figure |
| congruent | same size same congrount |
| isosceles triangle | two congrount sides on a triangle |
| equilateral triangle | all eqaul sides |
| scalene triangle | no sides are eqaul sides |
| acute triangle | three acute sides on a triangle |
| obtuse triangle | a triangle with one obtuse side |
| right triangle | a triangle with with a 90 degree angle. |
| right trapezoid | a trapezoid with aleast 1 right angle |
| circle | plane figure that forms a closed path so that all the the points on the path are the same distance from a point the center |
| reflex angle | an angle that is greater than 180 |
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