Encyclopedia > Brahmagupta's formula

  Article Content

Brahmagupta's formula

In geometry, Brahmagupta's formula gives the area of a cyclic quadrilateral whose sides have lengths a, b, c, d as:

<math>\sqrt{(s-a)(s-b)(s-c)(s-d)}</math>

where s=(a+b+c+d)/2.

Heron's formula for the area of a triangle is the special case obtained by taking d=0.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Flapper

... finished the look. Perhaps most scandalously, flappers also took to wearing make-up, previously restricted to actresses and prostitutes. Popular flapper make-up styles ...

 
 
 
This page was created in 21.6 ms