# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 62   b = 54   c = 11.06

Area: T = 220.4643717095
Perimeter: p = 127.06
Semiperimeter: s = 63.53

Angle ∠ A = α = 132.4155310972° = 132°24'55″ = 2.31110831565 rad
Angle ∠ B = β = 40.01769210768° = 40°1'1″ = 0.69884270293 rad
Angle ∠ C = γ = 7.56877679514° = 7°34'4″ = 0.13220824678 rad

Height: ha = 7.11217328095
Height: hb = 8.16553228554
Height: hc = 39.86768566175

Median: ma = 23.62554481439
Median: mb = 35.41441468908
Median: mc = 57.87441660847

Inradius: r = 3.47702300818
Circumradius: R = 41.99897664885

Vertex coordinates: A[11.06; 0] B[0; 0] C[47.48329837251; 39.86768566175]
Centroid: CG[19.51443279084; 13.28989522058]
Coordinates of the circumscribed circle: U[5.53; 41.62440265924]
Coordinates of the inscribed circle: I[9.53; 3.47702300818]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 47.58546890283° = 47°35'5″ = 2.31110831565 rad
∠ B' = β' = 139.9833078923° = 139°58'59″ = 0.69884270293 rad
∠ C' = γ' = 172.4322232049° = 172°25'56″ = 0.13220824678 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    