Across
- 2. measure of angles of equilateral triangle
- 3. the angle with measure more than 180
- 4. coplanar lines which do not intersect
- 6. a regular quadrilateral
- 7. sum of measures of complementary angles
- 9. a polygon having six sides
Down
- 1. Largest side of right angled triangle
- 5. the angle with measure less than 90
- 8. three sided closed figure