Triangle calculator SSS - result

Please enter the triangle sides:

Right scalene Pythagorean triangle.

Sides: a = 96   b = 72   c = 120

Area: T = 3456
Perimeter: p = 288
Semiperimeter: s = 144

Angle ∠ A = α = 53.13301023542° = 53°7'48″ = 0.9277295218 rad
Angle ∠ B = β = 36.87698976458° = 36°52'12″ = 0.64435011088 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 72
Height: hb = 96
Height: hc = 57.6

Median: ma = 86.53332306111
Median: mb = 102.5288044944
Median: mc = 60

Inradius: r = 24
Circumradius: R = 60

Vertex coordinates: A[120; 0] B[0; 0] C[76.8; 57.6]
Centroid: CG[65.6; 19.2]
Coordinates of the circumscribed circle: U[60; -0]
Coordinates of the inscribed circle: I[72; 24]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 126.8769897646° = 126°52'12″ = 0.9277295218 rad
∠ B' = β' = 143.1330102354° = 143°7'48″ = 0.64435011088 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     