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math vocab
| Question | Answer |
|---|---|
| line segment | part of a line and has 2 endpoints |
| ray | part of a line. it has only one end point and extends and forever in one direction |
| parallel lines | never cross and stay the same distance apart |
| intersecting lines | pass through the same point |
| perpendicular lines | intersecting lines that form square corners |
| point | an exact location in space |
| line | a straight path of points that goes on forever in two directions |
| planangle | an endless flat surface |
| vertex | common endpoint |
| protractor | to measure and draw angles |
| degrees | angles are measured in |
| acut angle | has ameasure between 0 and 90 |
| right angle | has a measure of 90 |
| obtuse angle | has a mesure between 90 and 180 |
| straight angle | has a measure of 180 |
| polygon | closed plane figure made up of line segments |
| regular polygon | sides of equal length and angles of equal measure |
| triangle | has 3 sides |
| quadrilateral | has 4 sides |
| pentagon | has 5 sides |
| hexagon | has 6 sides |
| octagon | has 8 sides |
| equlateral triangle | all sides are the same length |
| isosceles triangle | two sides are same length |
| scalen triangle | no sides are the same length |
| right triangel | one angel is a right angle |
| acute triangel | all three are acut angles |
| obtuse triangle | one angle is an obuse angle |
| parallelogram | both paris of opposite sides parallel and equal in length |
| trapezoid | only one pair of parallel sides |
| rectangle | a parallalgram with four right angles |
| rhombus | a parallelogram with all the sides same length |
| square | a rectangle with all sides the same length |
| plane | an endless flat surface |