Across
- 4. has an acute angle
- 9. smaller than right angles
- 11. three equal sides
- 12. has one obtuse angle
- 13. 90 degree angles
Down
- 1. which states in any right triangle
- 2. greater than right angle
- 3. the side opposite to the right angle
- 5. two equal sides
- 6. without an equal side
- 7. has one right angle
- 8. polygon with three corners and three sides
- 10. measures the size of an angle