Across
- 2. equal or the same
- 5. add up to 180 degrees
- 7. triangle with two equal sides
- 11. angles that share a common vertex and a common side
- 12. greater than 90 degrees
- 13. same shape, different size
Down
- 1. closed figure with three sides
- 2. matching angles or sides that are in the same spot on two different shapes
- 3. triangle with a 90 degree angle
- 4. add up to 90 degrees
- 6. all sides are equal
- 8. triangle with no equal sides
- 9. less than 90 degrees
- 10. angles that are congruent and share a common vertex