# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 5.4   b = 9.3   c = 10.75

Area: T = 25.11099904716
Perimeter: p = 25.45
Semiperimeter: s = 12.725

Angle ∠ A = α = 30.15439662375° = 30°9'14″ = 0.52662859934 rad
Angle ∠ B = β = 59.89659479534° = 59°53'45″ = 1.04553815004 rad
Angle ∠ C = γ = 89.9550085809° = 89°57' = 1.57699251598 rad

Height: ha = 9.3299996471
Height: hb = 5.43999979509
Height: hc = 4.67216261343

Median: ma = 9.68217482925
Median: mb = 7.12331137854
Median: mc = 5.37990682279

Inradius: r = 1.97332801942
Circumradius: R = 5.37550020396

Vertex coordinates: A[10.75; 0] B[0; 0] C[2.70884883721; 4.67216261343]
Centroid: CG[4.48661627907; 1.55772087114]
Coordinates of the circumscribed circle: U[5.375; 0.00546825237]
Coordinates of the inscribed circle: I[3.425; 1.97332801942]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 149.8466033762° = 149°50'46″ = 0.52662859934 rad
∠ B' = β' = 120.1044052047° = 120°6'15″ = 1.04553815004 rad
∠ C' = γ' = 90.0549914191° = 90°3' = 1.57699251598 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.