Triangle calculator

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

You have entered side a, b, c, angle β and angle γ.

Equilateral triangle.

Sides: a = 14.5   b = 14.5   c = 14.5

Area: T = 91.04109205728
Perimeter: p = 43.5
Semiperimeter: s = 21.75

Angle ∠ A = α = 60° = 1.04771975512 rad
Angle ∠ B = β = 60° = 1.04771975512 rad
Angle ∠ C = γ = 60° = 1.04771975512 rad

Height: ha = 12.55773683549
Height: hb = 12.55773683549
Height: hc = 12.55773683549

Median: ma = 12.55773683549
Median: mb = 12.55773683549
Median: mc = 12.55773683549

Inradius: r = 4.18657894516
Circumradius: R = 8.37215789032

Vertex coordinates: A[14.5; 0] B[0; 0] C[7.25; 12.55773683549]
Centroid: CG[7.25; 4.18657894516]
Coordinates of the circumscribed circle: U[7.25; 4.18657894516]
Coordinates of the inscribed circle: I[7.25; 4.18657894516]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120° = 1.04771975512 rad
∠ B' = β' = 120° = 1.04771975512 rad
∠ C' = γ' = 120° = 1.04771975512 rad

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How did we calculate this triangle?

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


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