Geometry Words

2. figure that has no curves or gaps and has three or more sides.
5. geometric elements of equal measure
7. two end points and all the points in between them
10. is the distance around the circle. It is the circle's perimeter.
11. The amount of space inside the boundary of a flat (2-dimensional) object.
13. the middle point of the line segment
14. The set of all points in a plane that are equidistant from a given point.
16. The total area of the surface of a three-dimensional object, measured in square units.
17. is the length of a line segment from its center to its perimeter.
18. is the measure of the amount of space inside of a solid figure, it is measured in cubic units.
19. is a eight-sided polygon

1. two angles with a common side but no common interior points
2. coplanar lines that do not intersect or two lines that are always the same distance apart and never touch
3. lines that meet at a 90
4. the longest side of a right triangle, opposite the right angle.
6. The distance around a two-dimensional shape.
8. any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
9. a polygon with four edges (or sides) and four vertices or corners.
12. A triangle with one 90* angle that is also a right angle.
15. a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.