Triangle calculator VC

Please enter the coordinates of the three vertices


Right isosceles triangle.

Sides: a = 10.2965630141   b = 7.28801098893   c = 7.28801098893

Area: T = 26.5
Perimeter: p = 24.85658499195
Semiperimeter: s = 12.42879249598

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

Height: ha = 5.14878150705
Height: hb = 7.28801098893
Height: hc = 7.28801098893

Median: ma = 5.14878150705
Median: mb = 8.1399410298
Median: mc = 8.1399410298

Inradius: r = 2.13222948188
Circumradius: R = 5.14878150705

Vertex coordinates: A[-2; 3] B[5; 5] C[-4; 10]
Centroid: CG[-0.33333333333; 6]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[2.13222948188; 2.13222948188]

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