Across
- 4. The longest side of a right triangle. (10 letters)
- 6. The ratio of circumference to diameter of a circle.
- 11. A chord passing through the center of the circle. (9 letters)
- 13. The amount of 3D space a shape occupies.
- 14. A parallelogram with all sides equal. (7 letters)
- 17. The probability of an impossible event. (4 letters)
- 18. The point where two sides of a polygon meet. (6 letters)
- 19. A type of number system using only two digits: 0 and 1.
- 20. The branch of mathematics dealing with integers.
Down
- 1. The process of finding the derivative of a function. (11 letters)
- 2. The angle less than 90 degrees. (5 letters)
- 3. A 3D shape with two parallel circular bases.
- 5. The shape with a formula for surface area.
- 7. A line segment joining two points on a circle.
- 8. A straight line from the center to the circumference of a circle.
- 9. A flat surface extending infinitely in all directions. (5 letters)
- 10. area. The sum of the areas of all faces of a 3D object.
- 12. A part of a circle's circumference.
- 15. The value that occurs most frequently in a data set. (4 letters)
- 16. A system of numerals using ten digits.