16.76 7.62 19.1 triangle

Obtuse scalene triangle.

Sides: a = 16.76   b = 7.62   c = 19.1

Area: T = 63.5287790827
Perimeter: p = 43.48
Semiperimeter: s = 21.74

Angle ∠ A = α = 60.80770668682° = 60°48'25″ = 1.06112835253 rad
Angle ∠ B = β = 23.38548255422° = 23°23'5″ = 0.40881422007 rad
Angle ∠ C = γ = 95.80881075896° = 95°48'29″ = 1.67221669275 rad

Height: ha = 7.58108819603
Height: hb = 16.6743960847
Height: hc = 6.65221246939

Median: ma = 11.88332992052
Median: mb = 17.56595472607
Median: mc = 8.84875137751

Inradius: r = 2.92221614916
Circumradius: R = 9.59992788677

Vertex coordinates: A[19.1; 0] B[0; 0] C[15.38333298429; 6.65221246939]
Centroid: CG[11.4944443281; 2.2177374898]
Coordinates of the circumscribed circle: U[9.55; -0.97114189522]
Coordinates of the inscribed circle: I[14.12; 2.92221614916]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 119.1932933132° = 119°11'35″ = 1.06112835253 rad
∠ B' = β' = 156.6155174458° = 156°36'55″ = 0.40881422007 rad
∠ C' = γ' = 84.19218924104° = 84°11'31″ = 1.67221669275 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     