# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 792.78   b = 500   c = 400

Area: T = 83762.1988324
Perimeter: p = 1692.78
Semiperimeter: s = 846.39

Angle ∠ A = α = 123.1110147668° = 123°6'37″ = 2.14986774194 rad
Angle ∠ B = β = 31.88994147192° = 31°53'22″ = 0.55765752834 rad
Angle ∠ C = γ = 255.0004376124° = 25°2″ = 0.43663399508 rad

Height: ha = 211.3132591952
Height: hb = 335.0498793296
Height: hc = 418.811099162

Median: ma = 218.8033491517
Median: mb = 575.9777485845
Median: mc = 631.8622377579

Inradius: r = 98.96440689564
Circumradius: R = 473.2332565443

Vertex coordinates: A[400; 0] B[0; 0] C[673.12551605; 418.811099162]
Centroid: CG[357.7088386833; 139.6043663873]
Coordinates of the circumscribed circle: U[200; 428.8932831597]
Coordinates of the inscribed circle: I[346.39; 98.96440689564]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 56.89898523315° = 56°53'23″ = 2.14986774194 rad
∠ B' = β' = 148.1110585281° = 148°6'38″ = 0.55765752834 rad
∠ C' = γ' = 1554.999562388° = 154°59'58″ = 0.43663399508 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.