Across
- 6. Altair, Deneb, and Vega
- 8. all sides are equal
Down
- 1. all sides are unequal
- 2. sum of all angles of a triangle
- 3. one of the angles in a right angled triangle
- 4. figure which is used in making bridges.
- 5. two sides are equal
- 7. an angle >0 degree but <90 degree