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Math Words #1
Key Terms 1
| Vocabulary Word | Definition |
|---|---|
| obtuse angle | an angle whose measure is greater than 90 degrees and less than 180 degrees |
| acute angle | an angle that has a measure less than 90 degrees |
| straight angle | an angle that measures 180 degrees |
| chord | a line segment with endpoints on a circle |
| degree | a unit for measuring angles or for measuring temperature |
| diagonal | slanting from one corner of a four sided figure, as a square, to another corner |
| scalene triangle | a triangle with no congruent sides |
| isosceles triangle | a triangle with exactly two congruent sides |
| equilateral triangle | a triangle with three congruent sides |
| congruent | having the same size and shape |
| similar | having the same shape, but not necessarily the same size |
| parallel | lines in a plane that do not intersect |
| perpendicular | two lines that intersect to form right angles |
| circumference | the distance around a circle |
| diameter | a line segment that passes through the center of a circle and has its endpoints on the circle |
| radius | a line segment with one endpoint at the center of a circle and the other endpoint on the circle |
Created by:
Central 5th Math
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