# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 129.06   b = 99.37   c = 93

Area: T = 4597.073291303
Perimeter: p = 321.43
Semiperimeter: s = 160.715

Angle ∠ A = α = 84.20327795331° = 84°12'10″ = 1.47696157422 rad
Angle ∠ B = β = 49.9977297699° = 49°59'50″ = 0.87326174619 rad
Angle ∠ C = γ = 45.87999227678° = 45°48' = 0.79993594495 rad

Height: ha = 71.23993136994
Height: hb = 92.52443617395
Height: hc = 98.86217830758

Median: ma = 71.39773217285
Median: mb = 100.9176512896
Median: mc = 105.3721676697

Inradius: r = 28.60438821082
Circumradius: R = 64.86217281673

Vertex coordinates: A[93; 0] B[0; 0] C[82.96328317204; 98.86217830758]
Centroid: CG[58.65442772401; 32.95439276919]
Coordinates of the circumscribed circle: U[46.5; 45.21993960691]
Coordinates of the inscribed circle: I[61.345; 28.60438821082]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 95.79772204669° = 95°47'50″ = 1.47696157422 rad
∠ B' = β' = 130.0032702301° = 130°10″ = 0.87326174619 rad
∠ C' = γ' = 134.2200077232° = 134°12' = 0.79993594495 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    