Triangle angles for given triangle sides

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

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.

Side a

Side b

Side c

Calculation precision

Digits after the decimal point: 2

Angle alpha (degrees)

Angle beta (degrees)

Angle gamma (degrees)

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PLANETCALC, Triangle angles for given triangle sides

Timur2020-11-10 15:37:27

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