# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 3.52   b = 356   c = 354.7

Area: T = 581.1943841296
Perimeter: p = 714.22
Semiperimeter: s = 357.11

Angle ∠ A = α = 0.52774345546° = 0°31'39″ = 0.00992054696 rad
Angle ∠ B = β = 111.4109615469° = 111°24'35″ = 1.94444646083 rad
Angle ∠ C = γ = 68.06329499761° = 68°3'47″ = 1.18879225757 rad

Height: ha = 330.2243773463
Height: hb = 3.26551339399
Height: hc = 3.27771008813

Median: ma = 355.3466235945
Median: mb = 176.715513857
Median: mc = 178.6654973344

Inradius: r = 1.62774924849
Circumradius: R = 191.1933381802

Vertex coordinates: A[354.7; 0] B[0; 0] C[-1.28549162673; 3.27771008813]
Centroid: CG[117.8055027911; 1.09223669604]
Coordinates of the circumscribed circle: U[177.35; 71.42774929212]
Coordinates of the inscribed circle: I[1.11; 1.62774924849]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 179.4732565445° = 179°28'21″ = 0.00992054696 rad
∠ B' = β' = 68.59903845307° = 68°35'25″ = 1.94444646083 rad
∠ C' = γ' = 111.9377050024° = 111°56'13″ = 1.18879225757 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    