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 = 76   b = 43.81880567745   c = 44

Area: T = 836
Perimeter: p = 163.8188056775
Semiperimeter: s = 81.90990283872

Angle ∠ A = α = 119.8632549584° = 119°51'45″ = 2.09219961401 rad
Angle ∠ B = β = 30° = 0.52435987756 rad
Angle ∠ C = γ = 30.13774504164° = 30°8'15″ = 0.52659977379 rad

Height: ha = 22
Height: hb = 38.15877852392
Height: hc = 38

Median: ma = 222.0002511291
Median: mb = 58.10333086418
Median: mc = 588.0000952563

Inradius: r = 10.20664450826
Circumradius: R = 43.81880567745

Vertex coordinates: A[44; 0] B[0; 0] C[65.81879306876; 38]
Centroid: CG[36.60659768959; 12.66766666667]
Coordinates of the circumscribed circle: U[22; 37.89548822335]
Coordinates of the inscribed circle: I[38.09109716128; 10.20664450826]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 60.13774504164° = 60°8'15″ = 2.09219961401 rad
∠ B' = β' = 150° = 0.52435987756 rad
∠ C' = γ' = 149.8632549584° = 149°51'45″ = 0.52659977379 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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