Triangle calculator SSS - result

Please enter the triangle sides:

Obtuse scalene triangle.

Sides: a = 567.13   b = 575.88   c = 100

Area: T = 28356.5499998
Perimeter: p = 1243.01
Semiperimeter: s = 621.505

Angle ∠ A = α = 79.99993761607° = 79°59'58″ = 1.39662525135 rad
Angle ∠ B = β = 90.0010675622° = 90°2″ = 1.57108081186 rad
Angle ∠ C = γ = 10.9999482172° = 10° = 0.17545320214 rad

Height: ha = 100.999999993
Height: hb = 98.48105862264
Height: hc = 567.1329999961

Median: ma = 300.6822187658
Median: mb = 287.9398838731
Median: mc = 569.3330401129

Inradius: r = 45.62655380054
Circumradius: R = 287.944000002

Vertex coordinates: A[100; 0] B[0; 0] C[-0.00766875; 567.1329999961]
Centroid: CG[33.33111041667; 189.043333332]
Coordinates of the circumscribed circle: U[50; 283.5665589611]
Coordinates of the inscribed circle: I[45.625; 45.62655380054]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 100.0010623839° = 100°2″ = 1.39662525135 rad
∠ B' = β' = 89.9999324378° = 89°59'58″ = 1.57108081186 rad
∠ C' = γ' = 1700.000051783° = 170° = 0.17545320214 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     