# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 125   b = 95   c = 70.82

Area: T = 3340.545473407
Perimeter: p = 290.82
Semiperimeter: s = 145.41

Angle ∠ A = α = 96.76327258569° = 96°45'46″ = 1.68988281594 rad
Angle ∠ B = β = 499.0002260086° = 49°1″ = 0.85552152781 rad
Angle ∠ C = γ = 34.23770481345° = 34°14'13″ = 0.59875492161 rad

Height: ha = 53.44987157451
Height: hb = 70.32772575593
Height: hc = 94.33990210129

Median: ma = 55.80331020643
Median: mb = 89.87997004449
Median: mc = 105.2199446397

Inradius: r = 22.97332806139
Circumradius: R = 62.93879013716

Vertex coordinates: A[70.82; 0] B[0; 0] C[82.00770064953; 94.33990210129]
Centroid: CG[50.94223354984; 31.44663403376]
Coordinates of the circumscribed circle: U[35.41; 52.03218299607]
Coordinates of the inscribed circle: I[50.41; 22.97332806139]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 83.23772741431° = 83°14'14″ = 1.68988281594 rad
∠ B' = β' = 1310.999773991° = 130°59'59″ = 0.85552152781 rad
∠ C' = γ' = 145.7632951866° = 145°45'47″ = 0.59875492161 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    