menu

PLANETCALC Online calculators

languagesearchLogin
homechevron_rightProfessionalchevron_rightEngineering

Triangle angles for given triangle sides

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

person_outlineTimurschedule2011-07-29 21:39:04
Creative Commons Attribution/Share-Alike License 3.0 (Unported)

This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That means you may freely redistribute or modify this content under the same license conditions and must attribute the original author by placing a hyperlink from your site to this work https://planetcalc.com/534/. Also, please do not modify any references to the original work (if any) contained in this content.

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 %3E c,
b+c %3E a,
a+c %3E 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)
 

Similar calculators

local_offer angle cosine law Engineering Geometry Math triangle
Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Triangle angles for given triangle sides

Comments