Unit 5 Vocabulary

3. A line segment with one endpoint at the center of a circle and the other endpoint on the circumference.
5. A polyhedron with one base and triangles for faces.
6. A 3-dimensional figure with two parallel, congruent circular bases.
7. An exact location in space.
8. An eight-sided polygon.
9. A figure formed by two rays with a common endpoint called a vertex.
11. A parallelogram with four right angles.
13. On an angle or polygon, the point where two sides intersect.
15. A quadrilateral with two pairs of parallel sides.
17. The distance around a polygon.
19. A closed plane figure formed by three or more line segments that intersect only at their endpoints.
20. The amount of 3-D space an object occupies.
22. A rectangle with four congruent sides.

1. A line segment with endpoints on a circle.
2. A four-sided polygon.
3. A part of a line that starts at one endpoint and extends forever.
4. A line segment that passes through the center of a circle and has endpoints on the circle.
5. A polyhedron with two parallel, congruent bases, and parallelograms for faces.
10. A six-sided polygon.
12. A 3-dimensional figure with one circular base.
14. A quadrilateral with exactly one pair of parallel sides.
16. A straight path that extends without end in opposite directions.
17. A five-sided polygon.
18. A parallelogram with all sides congruent.
21. The number of square units needed to cover a given surface.