# Triangle calculator SSS - result

### Obtuse scalene triangle.

Sides: a = 119   b = 70   c = 66.18

Area: T = 1968.78436252
Perimeter: p = 255.18
Semiperimeter: s = 127.59

Angle ∠ A = α = 121.7921681974° = 121°47'30″ = 2.1265665852 rad
Angle ∠ B = β = 29.9998800803° = 29°59'56″ = 0.52435778457 rad
Angle ∠ C = γ = 28.21095172226° = 28°12'34″ = 0.49223489559 rad

Height: ha = 33.08988004235
Height: hb = 56.251096072
Height: hc = 59.498784301

Median: ma = 33.16109137389
Median: mb = 89.69661325811
Median: mc = 91.8455260629

Vertex coordinates: A[66.18; 0] B[0; 0] C[103.0588268359; 59.498784301]
Centroid: CG[56.41327561197; 19.83326143367]
Coordinates of the circumscribed circle: U[33.09; 61.68879825271]
Coordinates of the inscribed circle: I[57.59; 15.43105480461]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 58.20883180256° = 58°12'30″ = 2.1265665852 rad
∠ B' = β' = 150.0011199197° = 150°4″ = 0.52435778457 rad
∠ C' = γ' = 151.7990482777° = 151°47'26″ = 0.49223489559 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    