# Triangle calculator SSS - result

### Obtuse scalene triangle.

Sides: a = 1.73   b = 1.41   c = 0.52

Area: T = 0.31773115189
Perimeter: p = 3.66
Semiperimeter: s = 1.83

Angle ∠ A = α = 120.0544155101° = 120°3'15″ = 2.09553402872 rad
Angle ∠ B = β = 44.86659299052° = 44°51'57″ = 0.78330581988 rad
Angle ∠ C = γ = 15.08799149934° = 15°4'48″ = 0.26331941676 rad

Height: ha = 0.36768341258
Height: hb = 0.45500872608
Height: hc = 1.22204289187

Median: ma = 0.61772722252
Median: mb = 1.06551877769
Median: mc = 1.55765667348

Vertex coordinates: A[0.52; 0] B[0; 0] C[1.22661538462; 1.22204289187]
Centroid: CG[0.58220512821; 0.40768096396]
Coordinates of the circumscribed circle: U[0.26; 0.9654947636]
Coordinates of the inscribed circle: I[0.42; 0.17333942726]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 59.94658448986° = 59°56'45″ = 2.09553402872 rad
∠ B' = β' = 135.1344070095° = 135°8'3″ = 0.78330581988 rad
∠ C' = γ' = 164.9220085007° = 164°55'12″ = 0.26331941676 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    