Triangle calculator

Please enter what you know about the triangle:
You have entered side a, b and c.

Right scalene triangle.

Sides: a = 226.552   b = 113.276   c = 196.2

Area: T = 11112.37656
Perimeter: p = 536.028
Semiperimeter: s = 268.014

Angle ∠ A = α = 909.9998924039° = 90° = 1.57107944489 rad
Angle ∠ B = β = 309.9999999999° = 30° = 0.52435987756 rad
Angle ∠ C = γ = 600.0001075962° = 60° = 1.04771994291 rad

Height: ha = 98.10999999998
Height: hb = 196.2
Height: hc = 113.276

Median: ma = 113.2766184223
Median: mb = 204.2111315328
Median: mc = 149.8549993127

Inradius: r = 41.46219221383
Circumradius: R = 113.276

Vertex coordinates: A[196.2; 0] B[0; 0] C[196.2199787278; 113.276]
Centroid: CG[130.8799929093; 37.75986666666]
Coordinates of the circumscribed circle: U[98.1; 56.63878157775]
Coordinates of the inscribed circle: I[154.738; 41.46219221383]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 900.0001075961° = 90° = 1.57107944489 rad
∠ B' = β' = 150° = 0.52435987756 rad
∠ C' = γ' = 1209.999892404° = 120° = 1.04771994291 rad

How did we calculate this triangle?

1. Input data entered: side a, b and c. 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     