# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 46.39   b = 49.09   c = 9.49

Area: T = 216.0899329383
Perimeter: p = 104.97
Semiperimeter: s = 52.485

Angle ∠ A = α = 68.07879370569° = 68°4'41″ = 1.18881841496 rad
Angle ∠ B = β = 100.9822232917° = 100°58'56″ = 1.76224724504 rad
Angle ∠ C = γ = 10.94398300259° = 10°56'23″ = 0.19109360536 rad

Height: ha = 9.31662030344
Height: hb = 8.80438023786
Height: hc = 45.54404276886

Median: ma = 26.6822130256
Median: mb = 22.77325509111
Median: mc = 47.52327847985

Inradius: r = 4.11771635588
Circumradius: R = 25.00328954007

Vertex coordinates: A[9.49; 0] B[0; 0] C[-8.83875079031; 45.54404276886]
Centroid: CG[0.21774973656; 15.18801425629]
Coordinates of the circumscribed circle: U[4.745; 24.54985183548]
Coordinates of the inscribed circle: I[3.395; 4.11771635588]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 111.9222062943° = 111°55'19″ = 1.18881841496 rad
∠ B' = β' = 79.01877670827° = 79°1'4″ = 1.76224724504 rad
∠ C' = γ' = 169.0660169974° = 169°3'37″ = 0.19109360536 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    