65 72 97 triangle

Right scalene triangle.

Sides: a = 65   b = 72   c = 97

Area: T = 2340
Perimeter: p = 234
Semiperimeter: s = 117

Angle ∠ A = α = 42.07550220508° = 42°4'30″ = 0.73443476676 rad
Angle ∠ B = β = 47.92549779492° = 47°55'30″ = 0.83664486592 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 72
Height: hb = 65
Height: hc = 48.24774226804

Median: ma = 78.99552530219
Median: mb = 74.3033431953
Median: mc = 48.5

Inradius: r = 20
Circumradius: R = 48.5

Vertex coordinates: A[97; 0] B[0; 0] C[43.55767010309; 48.24774226804]
Centroid: CG[46.8522233677; 16.08224742268]
Coordinates of the circumscribed circle: U[48.5; 0]
Coordinates of the inscribed circle: I[45; 20]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 137.9254977949° = 137°55'30″ = 0.73443476676 rad
∠ B' = β' = 132.0755022051° = 132°4'30″ = 0.83664486592 rad
∠ C' = γ' = 90° = 1.57107963268 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     