Across
- 3. Cut to 2 parts and goes through mid-point
- 5. 2 lines that meet at a right angle
- 8. The extent or measurement of a surface
- 10. 2 angles which add up to 90 degrees
- 11. 2 angles that add up to 180 degrees
- 13. Common vertex and side
Down
- 1. Part of line bounded by 2 end points
- 2. Pair of adjacent angels
- 4. Opposite angles made by 2
- 6. Either a path that surrounds a shape
- 7. Equal sides and angles
- 9. A plane figure with at least 3 sides
- 12. Angles devided into 2 congruent angles