Euclid's Geometry

2. A type of angle less than 90 degrees.
3. A line segment that starts at one point and extends infinitely in one direction.
5. A fundamental geometric object with no dimensions
7. The term for the amount of space enclosed by an angle
8. The book written by Euclid that forms the basis of geometry
9. A line that cuts across two or more other lines at different points
10. A statement accepted as true without proof

1. A statement or fact used as a basis for further reasoning or argument in geometry.
3. An angle that measures exactly 90 degrees.
4. A geometric figure that extends indefinitely in two directions.
6. A statement or assertion that can be proved by logical reasoning