Triangle calculator VC

Please enter the coordinates of the three vertices


Right scalene Pythagorean triangle.

Sides: a = 11.18803398875   b = 8.944427191   c = 6.70882039325

Area: T = 30
Perimeter: p = 26.833281573
Semiperimeter: s = 13.4166407865

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

Height: ha = 5.3676563146
Height: hb = 6.70882039325
Height: hc = 8.944427191

Median: ma = 5.59901699437
Median: mb = 8.06222577483
Median: mc = 9.55224865873

Inradius: r = 2.23660679775
Circumradius: R = 5.59901699437

Vertex coordinates: A[6; 4] B[9; 10] C[-2; 8]
Centroid: CG[4.33333333333; 7.33333333333]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[1.67770509831; 2.23660679775]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90° = 1.57107963268 rad
∠ B' = β' = 126.8769897646° = 126°52'12″ = 0.9277295218 rad
∠ C' = γ' = 143.1330102354° = 143°7'48″ = 0.64435011088 rad

Calculate another triangle




How did we calculate this triangle?

1. We compute side a from coordinates using the Pythagorean theorem


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