Across
- 5. Two lines that will never meet if extending in the same direction
- 9. A triangle where all the three internal angles are acute
- 11. An angle of exactly 90 degrees
- 14. a triangle in which all three sides are in different lengths, and all three angles are of different measures.
- 15. at an angle of 90 degrees to another line or surface
Down
- 1. A triangle with a right angle
- 2. has Four congruent sides and four 90 degree angles
- 3. triangle that has all its sides equal in length
- 4. An angle that is less than 90 degrees
- 6. has two pairs of parallel lines and four 90 degree angles
- 7. An angle that is more than 90 degrees but less than 180
- 8. A triangle where one internal angle is obtuse and the others are acute
- 10. has two pairs of parallel sides
- 12. a quadrilateral with only one pair of parallel sides
- 13. The same length