Triangle calculator

Please enter what you know about the triangle:
Symbols definition of ABC triangle

You have entered side a, c and angle β.

Obtuse scalene triangle.

Sides: a = 50   b = 50.80329652905   c = 90

Area: T = 1021.479862441
Perimeter: p = 190.803296529
Semiperimeter: s = 95.40114826452

Angle ∠ A = α = 26.54395180817° = 26°32'22″ = 0.46332019724 rad
Angle ∠ B = β = 27° = 0.4711238898 rad
Angle ∠ C = γ = 126.4660481918° = 126°27'38″ = 2.20771517831 rad

Height: ha = 40.85991449766
Height: hb = 40.21333465467
Height: hc = 22.7699524987

Median: ma = 68.6699284554
Median: mb = 68.22658358646
Median: mc = 22.70439785314

Inradius: r = 10.70771567033
Circumradius: R = 55.95215731272

Vertex coordinates: A[90; 0] B[0; 0] C[44.55503262094; 22.7699524987]
Centroid: CG[44.85501087365; 7.5676508329]
Coordinates of the circumscribed circle: U[45; -33.25502411331]
Coordinates of the inscribed circle: I[44.59985173548; 10.70771567033]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 153.4660481918° = 153°27'38″ = 0.46332019724 rad
∠ B' = β' = 153° = 0.4711238898 rad
∠ C' = γ' = 53.54395180817° = 53°32'22″ = 2.20771517831 rad

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How did we calculate this triangle?

1. Input data entered: side a, c and angle β.


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