Triangle calculator VC

Please enter the coordinates of the three vertices


Right isosceles triangle.

Sides: a = 5.38551648071   b = 7.61657731059   c = 5.38551648071

Area: T = 14.5
Perimeter: p = 18.38661027201
Semiperimeter: s = 9.19330513601

Angle ∠ A = α = 45° = 0.78553981634 rad
Angle ∠ B = β = 90° = 1.57107963268 rad
Angle ∠ C = γ = 45° = 0.78553981634 rad

Height: ha = 5.38551648071
Height: hb = 3.80878865529
Height: hc = 5.38551648071

Median: ma = 6.02107972894
Median: mb = 3.80878865529
Median: mc = 6.02107972894

Inradius: r = 1.57772782542
Circumradius: R = 3.80878865529

Vertex coordinates: A[-2; 7] B[3; 5] C[1; 0]
Centroid: CG[0.66766666667; 4]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[-0; 1.57772782542]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135° = 0.78553981634 rad
∠ B' = β' = 90° = 1.57107963268 rad
∠ C' = γ' = 135° = 0.78553981634 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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