Across
- 5. all sides congruent
- 6. the sum of the measures of the interior angles of a triangle is 180
- 7. all angles congruent
- 8. no sides are congruent
- 9. 3 acute angles
Down
- 1. two lines that intersect at right angles
- 2. a triangle with one right angle
- 3. at least two sides are congruent
- 4. a triangle with one obtuse angle