Across
- 4. a straight line passing through the center of a circle
- 6. a straight line from the center of the circumference
- 8. not finite
- 9. invented pythagorean theorem
Down
- 1. an angle that has measure less than 90 degrees
- 2. the space inside an object
- 3. an angle that is 90 degrees
- 5. any number that can be written as a fraction
- 7. adding two or more numbers
- 10. more than 90 degrees less than 180 degrees