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 = 5.4   b = 9.3   c = 10.75440689974

Area: T = 25.11
Perimeter: p = 25.45440689974
Semiperimeter: s = 12.72770344987

Angle ∠ A = α = 30.14113855521° = 30°8'29″ = 0.5266066419 rad
Angle ∠ B = β = 59.85986144479° = 59°51'31″ = 1.04547299078 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 9.3
Height: hb = 5.4
Height: hc = 4.67698603117

Median: ma = 9.68440074349
Median: mb = 7.12661841121
Median: mc = 5.37770344987

Inradius: r = 1.97329655013
Circumradius: R = 5.37770344987

Vertex coordinates: A[10.75440689974; 0] B[0; 0] C[2.71215317939; 4.67698603117]
Centroid: CG[4.48985335971; 1.55766201039]
Coordinates of the circumscribed circle: U[5.37770344987; -0]
Coordinates of the inscribed circle: I[3.42770344987; 1.97329655013]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 149.8598614448° = 149°51'31″ = 0.5266066419 rad
∠ B' = β' = 120.1411385552° = 120°8'29″ = 1.04547299078 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     