Across
- 7. the shortest sides in the triangle
- 8. all the sides are equal
- 10. the space shape's covered
- 11. the angle's degree is 180
- 13. no sides are equal
- 14. the angle's degree between 90-180
Down
- 1. the smallest angle
- 2. two sides are equal
- 3. the sum of all the sides
- 4. the angle's degree between 180-360
- 5. the longest side in the triangle
- 6. one of the triangle's angle is 90°
- 9. the angle's degree is 90°
- 12. the point which two lines meet