If S is the sum of three angles of a spherical triangle, the spherical excess equals

- 1
  
  S- $90^{0}$
- 2
  
  S- $180^{0}$
- 3
  
  S- $270^{0}$
- 4
  
  $S - 360^{0}$

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.