Triangle calculator VC

Please enter the coordinates of the three vertices


Right scalene triangle.

Sides: a = 8.06222577483   b = 4.4722135955   c = 6.70882039325

Area: T = 15
Perimeter: p = 19.24325976358
Semiperimeter: s = 9.62112988179

Angle ∠ A = α = 90° = 1.57107963268 rad
Angle ∠ B = β = 33.6990067526° = 33°41'24″ = 0.58880026035 rad
Angle ∠ C = γ = 56.3109932474° = 56°18'36″ = 0.98327937232 rad

Height: ha = 3.72110420377
Height: hb = 6.70882039325
Height: hc = 4.4722135955

Median: ma = 4.03111288741
Median: mb = 7.07110678119
Median: mc = 5.59901699437

Inradius: r = 1.55990410696
Circumradius: R = 4.03111288741

Vertex coordinates: A[-3; 1] B[3; 4] C[-1; -3]
Centroid: CG[-0.33333333333; 0.66766666667]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[2.33985616044; 1.55990410696]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90° = 1.57107963268 rad
∠ B' = β' = 146.3109932474° = 146°18'36″ = 0.58880026035 rad
∠ C' = γ' = 123.6990067526° = 123°41'24″ = 0.98327937232 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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