Across
- 5. angles that add up to measure to 90 degrees
- 6. same shape same size
- 7. a triangle that has at least two congruent sides
- 9. same shape, same angles, different size
- 10. a line that extends indefinitely from a starting point
- 11. a part of a line that has a starting point and an end point
- 12. angles that share a side and vertex (next to each other)
Down
- 1. angles that add up to 180 degrees
- 2. angles that are opposite to each other and congruent
- 3. a measure that is less than 90 degrees
- 4. a point where two or more lines/segments/rays meet to form a corner
- 8. a triangle that has 3 different angle measures and 3 different side lengths