This triangle calculator solves missing parts of a triangle. It works with sides, angles, height, area, incircle or circumcircle, that can be part of rectangled, oblique, scalene or isoceles triangles.
coloured triangle, just decoration Calculate missing parts of a triangle

   ▼ Select 3 of these elements and type in data

a =  
b =  
c =  
α =
β = °
γ = °
h =  
q =  
p =  
A =
r =
R =
Selected fields are input, grey ones are results


schematic figure of a triangle

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