15.23 7.62 17.03 triangle

Obtuse scalene triangle.

Sides: a = 15.23   b = 7.62   c = 17.03

Area: T = 58.0266299993
Perimeter: p = 39.88
Semiperimeter: s = 19.94

Angle ∠ A = α = 63.41991919155° = 63°25'9″ = 1.10768737079 rad
Angle ∠ B = β = 26.5879919415° = 26°34'48″ = 0.46439071087 rad
Angle ∠ C = γ = 90.00108886695° = 90°3″ = 1.5710811837 rad

Height: ha = 7.62199999991
Height: hb = 15.23299999982
Height: hc = 6.81545977678

Median: ma = 10.77328559352
Median: mb = 15.69993885231
Median: mc = 8.51548943035

Inradius: r = 2.91100451351
Circumradius: R = 8.5155000001

Vertex coordinates: A[17.03; 0] B[0; 0] C[13.62203581914; 6.81545977678]
Centroid: CG[10.21767860638; 2.27215325893]
Coordinates of the circumscribed circle: U[8.515; -00.0001320694]
Coordinates of the inscribed circle: I[12.32; 2.91100451351]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 116.5810808085° = 116°34'51″ = 1.10768737079 rad
∠ B' = β' = 153.4220080585° = 153°25'12″ = 0.46439071087 rad
∠ C' = γ' = 89.99991113305° = 89°59'57″ = 1.5710811837 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     