2 26 27 triangle

Obtuse scalene triangle.

Sides: a = 2   b = 26   c = 27

Area: T = 22.93333272771
Perimeter: p = 55
Semiperimeter: s = 27.5

Angle ∠ A = α = 3.74662095414° = 3°44'46″ = 0.0655383691 rad
Angle ∠ B = β = 58.1454569176° = 58°8'40″ = 1.01548141743 rad
Angle ∠ C = γ = 118.1099221283° = 118°6'33″ = 2.06113947883 rad

Height: ha = 22.93333272771
Height: hb = 1.76441020982
Height: hc = 1.69987649835

Median: ma = 26.48658452763
Median: mb = 14.05334693226
Median: mc = 12.56598566871

Vertex coordinates: A[27; 0] B[0; 0] C[1.05655555556; 1.69987649835]
Centroid: CG[9.35218518519; 0.56662549945]
Coordinates of the circumscribed circle: U[13.5; -7.21111210903]
Coordinates of the inscribed circle: I[1.5; 0.83439391737]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.2543790459° = 176°15'14″ = 0.0655383691 rad
∠ B' = β' = 121.8555430824° = 121°51'20″ = 1.01548141743 rad
∠ C' = γ' = 61.89107787174° = 61°53'27″ = 2.06113947883 rad

How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS. 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    