Across
- 3. The longest side of a right triangle
- 5. Full line through the center
- 8. A shape with 12 sides
- 9. Two angles that add up to 180 degrees
- 11. An angle measuring 180 degrees
- 13. point at the end of a segment
- 14. Two angles that add up to 90 degress
- 15. Squares, circles, triangles, etc...
Down
- 1. An angle less than 90 degrees
- 2. Cubes, spheres, cones, etc...
- 4. A theorem used to find the missing side of a triangle
- 6. Halfway across a circle
- 7. An angle more than 90 but less than 180 degrees
- 10. 90 degree angle
- 12. A shape with 3 sides and 3 vertices