Triangle calculator

Please enter what you know about the triangle:
You have entered side a, b and c (hypotenuse-calculated).

Right scalene triangle.

Sides: a = 5.6   b = 9.6   c = 11.11439551916

Area: T = 26.88
Perimeter: p = 26.31439551916
Semiperimeter: s = 13.15769775958

Angle ∠ A = α = 30.25664371635° = 30°15'23″ = 0.52880744484 rad
Angle ∠ B = β = 59.74435628365° = 59°44'37″ = 1.04327218784 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 9.6
Height: hb = 5.6
Height: hc = 4.8377161845

Median: ma = 10
Median: mb = 7.37656355658
Median: mc = 5.55769775958

Inradius: r = 2.04330224042
Circumradius: R = 5.55769775958

Vertex coordinates: A[11.11439551916; 0] B[0; 0] C[2.82216777429; 4.8377161845]
Centroid: CG[4.64552109782; 1.61223872817]
Coordinates of the circumscribed circle: U[5.55769775958; -0]
Coordinates of the inscribed circle: I[3.55769775958; 2.04330224042]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 149.7443562836° = 149°44'37″ = 0.52880744484 rad
∠ B' = β' = 120.2566437164° = 120°15'23″ = 1.04327218784 rad
∠ C' = γ' = 90° = 1.57107963268 rad

How did we calculate this triangle?

1. Input data entered: side a, b and c (hypotenuse-calculated). 2. The triangle circumference is the sum of the lengths of its three sides 3. Semiperimeter of the triangle 4. The triangle area using Heron's formula 5. Calculate the heights of the triangle from its area. 6. Calculation of the inner angles of the triangle using a Law of Cosines     