Across
- 5. 2pi(r)
- 9. A solid with exactly one face and a vertex that is not on the face
- 10. The line across from a given angle
- 12. Two angles that are side by side and share a common vertex and a common side
- 13. Rounded to 3.14
- 14. The bottom number of a fraction
- 17. The middle point of a line
- 18. A part of a line with defined end points
- 19. The top number in a fraction
- 20. The distance from the center of a circle to its circumference
- 21. A geometrical figure formed when two rays meet at a common point called vertex
Down
- 1. Two angles whose sum is 90 degrees
- 2. A line that touches both sides of a circle and goes through the center
- 3. A solid figure with 6 square faces
- 4. The acronym for trig functions
- 6. Identical in shape and size
- 7. a^2 + b^2 = c^2
- 8. The capacity of a container in cubic units
- 11. When two lines intersect a right angle
- 15. The longest side of a right triangle
- 16. A face of any 3d shape