Across
- 2. a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
- 4. a shape with 4 equal sides
- 5. any of a set of straight lines passing through one point.
- 7. a quadrilateral with 4 equal sides
- 11. having two sides of equal length.
- 14. the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse.
- 15. a straight line from the center to the circumference of a circle or sphere.
- 16. a shape with 3 sides
- 18. the enclosing boundary of a curved geometric figure, especially a circle.
- 19. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.
Down
- 1. side by side and having the same distance continuously between them.
- 3. angle greater than 90
- 6. the principal or horizontal axis of a system of coordinates,
- 8. the longest side of a right triangle, opposite the right angle.
- 9. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- 10. equal
- 12. up and down
- 13. the extent or measurement of a surface or piece of land.
- 17. a part of the circumference of a circle or other curve.
- 20. a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares.