Triangle calculator VC

Please enter the coordinates of the three vertices


Right scalene triangle.

Sides: a = 5.09990195136   b = 11.4021754251   c = 10.19880390272

Area: T = 26
Perimeter: p = 26.69988127918
Semiperimeter: s = 13.34994063959

Angle ∠ A = α = 26.56550511771° = 26°33'54″ = 0.4643647609 rad
Angle ∠ B = β = 90° = 1.57107963268 rad
Angle ∠ C = γ = 63.43549488229° = 63°26'6″ = 1.10771487178 rad

Height: ha = 10.19880390272
Height: hb = 4.56107017004
Height: hc = 5.09990195136

Median: ma = 10.51218980208
Median: mb = 5.70108771255
Median: mc = 7.21111025509

Inradius: r = 1.94876521449
Circumradius: R = 5.70108771255

Vertex coordinates: A[-6; 0] B[4; -2] C[5; 3]
Centroid: CG[1; 0.33333333333]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[-0; 1.94876521449]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 153.4354948823° = 153°26'6″ = 0.4643647609 rad
∠ B' = β' = 90° = 1.57107963268 rad
∠ C' = γ' = 116.5655051177° = 116°33'54″ = 1.10771487178 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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