Across
- 1. Two rays or lines that share a common endpoint
- 3. Logical mathematical arguments used to show the truth of a mathematical statement.
- 7. The part of a line that connects two points.
- 8. A triangle with all three sides of equal length.
- 9. Two rays that share the same endpoint and extend in directly opposite directions, forming a straight line together
Down
- 1. A triangle that has all angles less than 90° (90° is a Right Angle)
- 2. Always the same distance apart and never touching.
- 4. a straight line that makes an angle of 90° with another line
- 5. When three or more points lie on a straight line.
- 6. A flat surface extending in all directions