Across
- 3. is a point where two or more curves, lines, or edges meet or intersect
- 5. the sixteenth letter of the Greek alphabet
- 7. the amount of space that a substance or object occupies
- 8. a shape consisting of all points in a plane that are at a given distance from the centre
- 10. focuses on relationships between the sides and angles of triangles
- 13. (of figures) identical in form
- 14. is a part of a straight line that is bounded by two distinct endpoints
- 15. is the arc of a circle between a pair of distinct points
- 16. any of a set of straight lines passing through one point
- 18. a one-dimensional figure, which has length but no width
- 19. a line that divides a line segment or an angle into two equivalent parts
Down
- 1. lines are coplanar infinite straight lines that do not intersect at any point
- 2. a geometric shape that is a combination of lines, points, and planes that form a closed boundary
- 4. (of a number) multiplied by itself
- 5. a flat surface of two dimensions
- 6. mathematical drawing instruments used to draw and to measure angles
- 9. a location. It has no size and no depth is shown by a dot
- 11. a plane figure with three straight sides and three angles
- 12. a plane figure with ten straight sides and angles
- 17. a figure formed when two rays meet at a common point