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Triangle angles for given triangle sides

This calculator computes triangle angles for given triangle sides using cosine law
Timur2011-07-29 21:39:04

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 singular triange, where side lengths violate
a+b>c
b+c>a
a+c>b
the results will be zeroes.

Triangle angles for given triangle sidesCreative Commons Attribution/Share-Alike License 3.0 (Unported)
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