homechevron_rightStudychevron_rightMathchevron_rightGeometry

Triangle angles for given triangle sides

This calculator computes triangle angles for given triangle sides using cosine law

triangle.JPG



This calculator computes triangle angles for given triangle sides using cosine law.

Cosine law:
c^2=a^2+b^2-2ab cos \gamma,
thus
\gamma = arccos( \frac{a^2+b^2-c^2}{2ab} )

For degenerate triangle, where side lengths violate,
a+b>c,
b+c>a,
a+c>b,

the results will be zeroes.

PLANETCALC, Triangle angles for given triangle sides

Triangle angles for given triangle sides

Digits after the decimal point: 2
Angle alpha (degrees)
 
Angle beta (degrees)
 
Angle gamma (degrees)
 

URL copied to clipboard
Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Triangle angles for given triangle sides

Comments