# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 62   b = 54   c = 83.93

Area: T = 1672.4911047
Perimeter: p = 199.93
Semiperimeter: s = 99.965

Angle ∠ A = α = 47.56551407345° = 47°33'55″ = 0.8330168315 rad
Angle ∠ B = β = 40.00219249281° = 40°7″ = 0.69881652971 rad
Angle ∠ C = γ = 92.43329343375° = 92°25'59″ = 1.61332590415 rad

Height: ha = 53.95113240968
Height: hb = 61.94441128519
Height: hc = 39.85444274277

Median: ma = 63.39765491963
Median: mb = 68.66767492313
Median: mc = 40.23660382617

Inradius: r = 16.73107662382
Circumradius: R = 42.00328616153

Vertex coordinates: A[83.93; 0] B[0; 0] C[47.49334165376; 39.85444274277]
Centroid: CG[43.80878055125; 13.28548091426]
Coordinates of the circumscribed circle: U[41.965; -1.78330195937]
Coordinates of the inscribed circle: I[45.965; 16.73107662382]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 132.4354859266° = 132°26'5″ = 0.8330168315 rad
∠ B' = β' = 139.9988075072° = 139°59'53″ = 0.69881652971 rad
∠ C' = γ' = 87.56770656625° = 87°34'1″ = 1.61332590415 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    