Geometry Vocabulary
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20 terms
Terms | Definitions |
|---|---|
 trapezoid | a quadrilateral with exactly one pair of parallel sides |
| isosceles | triangle with two equal sides |
| octogon | a polygon with eight sides |
| polygon | a closed plane figure with straight sides |
| center | the point inside a circle that is the same distance from each point on the circle |
| diameter | the distance across a circle through its center |
| compass | a tool used to make circles |
| equilateral triangle | a triangle with three equal sides and three equal angles |
| hexagon | a polygon with six sides |
| pentagon | a polygon with five sides |
| triangle | a polygon with three sides |
| square | a parallelogram with four equal sides |
| parallelogram | a quadrilateral with two pairs of parallel sides |
| scalene triangle | a triangle with no equal sides |
| quadrilateral | a polygon with four sides and four angles |
| radius | a line segment with one endpoint at the center of a circle and the otehr endpoint on the circle |
| circle | a closed plain figure made up of all the points the same distance from the center |
| obtuse triangle | a triangle with one obtuse angle |
| acute triangle | a triangle with three acute angles |
| right triangle | a triangle with one right angle |
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