# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 375.62   b = 517   c = 639.05

Area: T = 97097.77699902
Perimeter: p = 1531.67
Semiperimeter: s = 765.835

Angle ∠ A = α = 365.9995383662° = 35°59'58″ = 0.62883104737 rad
Angle ∠ B = β = 543.9996475991° = 53°59'59″ = 0.94224716455 rad
Angle ∠ C = γ = 90.00108140348° = 90°3″ = 1.57108105344 rad

Height: ha = 5176.999999948
Height: hb = 375.6219999962
Height: hc = 303.8821605477

Median: ma = 550.059850157
Median: mb = 455.9777404539
Median: mc = 319.5210682546

Inradius: r = 126.7876801322
Circumradius: R = 319.5255000032

Vertex coordinates: A[639.05; 0] B[0; 0] C[220.7865765511; 303.8821605477]
Centroid: CG[286.6121921837; 101.2943868492]
Coordinates of the circumscribed circle: U[319.525; -0.00545396792]
Coordinates of the inscribed circle: I[248.835; 126.7876801322]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 1444.000461634° = 144°2″ = 0.62883104737 rad
∠ B' = β' = 1266.000352401° = 126°1″ = 0.94224716455 rad
∠ C' = γ' = 89.99991859652° = 89°59'57″ = 1.57108105344 rad

# How did we calculate this triangle?

### 1. The triangle circumference is the sum of the lengths of its three sides ### 2. Semiperimeter of the triangle ### 3. The triangle area using Heron's formula ### 4. Calculate the heights of the triangle from its area. ### 5. Calculation of the inner angles of the triangle using a Law of Cosines ### 6. Inradius ### 7. Circumradius ### 8. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.