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.
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Calculate missing parts of a triangle
▼
Select 3 of these elements and type in data
a
=
b
=
c
=
α
=
°
rad
gon
β
=
°
γ
=
°
h
=
q
=
p
=
A
=
A
q
=
A
p
=
r
=
R
=
Selected fields are input, grey ones are results
no special conditions
a = b
a = c
b = c
equilateral triangle
α = β
α = γ
β = γ
α = 90°
α > 90° (if possible)
β = 90°
β > 90° (if possible)
γ = 90°
γ > 90° (if possible)
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