Math Calculators, Lessons and Formulas
It is time to solve your math problem
This calculator uses the Law of Sines and the Law of Cosines to solve oblique triangle
i.e. to find missing angles and sides if you know any 3 of the sides or angles. Also, the calculator
will show you a detailed explanation.
To solve oblique triangle input three values you know and a value you want to find.
You can enter either integers (10), decimal numbers(10.12) or
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Welcome to MathPortal. This web site owner is mathematician Miloš Petrović.
I designed this web site and wrote all the lessons, formulas and calculators.
If you want to contact me, probably have some question write me using the contact form or email me on