# Geometry

##### Across
1. 2. A rectangle with four equal sides and four right angles.
2. 4. The amount of space inside a three-dimensional shape.
3. 9. A closed shape made up of straight lines.
4. 10. A closed shape where every point on its boundary is equidistant from its center.
5. 11. Two lines or planes that intersect at a right angle.
6. 14. A three-dimensional shape where every point on its surface is equidistant from its center.
7. 15. The distance around the edge of a two-dimensional shape.
8. 16. A three-dimensional shape with two circular bases and a curved surface.
9. 17. A change in the position, size, or shape of a geometric figure.
10. 18. The space between two intersecting lines or surfaces measured in degrees or radians.
11. 19. The amount of space inside a two-dimensional shape.
##### Down
1. 1. Two or more lines that never meet.
2. 3. A parallelogram with four right angles.
3. 5. A straight, one-dimensional figure that extends infinitely in both directions.
4. 6. A three-dimensional shape with a circular base and a pointed top.
5. 7. A precise location in space represented by a dot.
6. 8. A polygon with three sides and three angles.
7. 12. Having the same shape and size.
8. 13. A point where two or more lines or edges meet.
9. 16. A set of numbers that locate a point in space, usually represented by (x, y) or (x, y, z) for three-dimensional space.