# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 44.45   b = 59.08   c = 56

Area: T = 1176.745527185
Perimeter: p = 159.53
Semiperimeter: s = 79.765

Angle ∠ A = α = 45.34549426615° = 45°20'42″ = 0.79114185486 rad
Angle ∠ B = β = 70.99333344683° = 70°59'36″ = 1.23990674334 rad
Angle ∠ C = γ = 63.66217228702° = 63°39'42″ = 1.11111066716 rad

Height: ha = 52.94769188682
Height: hb = 39.83656557835
Height: hc = 42.02766168516

Median: ma = 53.09768226451
Median: mb = 41.02879130593
Median: mc = 44.1498889567

Inradius: r = 14.75326518128
Circumradius: R = 31.24333666653

Vertex coordinates: A[56; 0] B[0; 0] C[14.476639375; 42.02766168516]
Centroid: CG[23.492213125; 14.00988722839]
Coordinates of the circumscribed circle: U[28; 13.86217445001]
Coordinates of the inscribed circle: I[20.685; 14.75326518128]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 134.6555057339° = 134°39'18″ = 0.79114185486 rad
∠ B' = β' = 109.0076665532° = 109°24″ = 1.23990674334 rad
∠ C' = γ' = 116.338827713° = 116°20'18″ = 1.11111066716 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    