Across
- 6. this triangle has only 2 equal sides and angles
- 9. any shape with 4 sides
- 10. this is used to measure angles
- 11. the sum of the angles inside a triangle
- 12. a quadrilateral with 2 pairs of parallel lines
- 15. an angle between 90 and 180 degrees is called.....
- 16. the word for this shape literally means 3 corners
Down
- 1. the sum of the angles inside a quadrilateral
- 2. the name for an angle less than 90 degrees
- 3. in a triangle, which angle is equal to the sum of the 2 opposite internal angles
- 4. this is a triangle where all 3 sides and angles are equal
- 5. angles about a '?' add up to 360 degrees
- 7. angles on a '?' add up to 180 degrees
- 8. a triangle with all angles and sides being different is called ......
- 13. an example of a quadrilateral that looks like a slanted square
- 14. this is an angle greater than 180 but less than 360 degrees
- 17. this is the number of degrees in a right angle