Triangle calculator VC

Please enter the coordinates of the three vertices


Right isosceles triangle.

Sides: a = 8.54440037453   b = 12.08330459736   c = 8.54440037453

Area: T = 36.5
Perimeter: p = 29.17110534642
Semiperimeter: s = 14.58655267321

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

Height: ha = 8.54440037453
Height: hb = 6.04215229868
Height: hc = 8.54440037453

Median: ma = 9.55224865873
Median: mb = 6.04215229868
Median: mc = 9.55224865873

Inradius: r = 2.50224807585
Circumradius: R = 6.04215229868

Vertex coordinates: A[-4; 11] B[4; 8] C[1; 0]
Centroid: CG[0.33333333333; 6.33333333333]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[-0; 2.50224807585]

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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