Triangle calculator

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

You have entered side b, c and angle α.

Obtuse scalene triangle.

Sides: a = 89.75106106817   b = 90   c = 0.25

Area: T = 0.78547603296
Perimeter: p = 180.0010610682
Semiperimeter: s = 900.0003053409

Angle ∠ A = α = 4° = 4° = 0.07698131701 rad
Angle ∠ B = β = 175.9898867063° = 175°59'20″ = 3.07215851771 rad
Angle ∠ C = γ = 0.0111132937° = 0°40″ = 00.0001943064 rad

Height: ha = 0.01774875764
Height: hb = 0.01774391184
Height: hc = 6.2788082637

Median: ma = 45.12546963487
Median: mb = 44.75106123854
Median: mc = 89.87553049167

Inradius: r = 0.00987195296
Circumradius: R = 643.3143845039

Vertex coordinates: A[0.25; 0] B[0; 0] C[-89.53107645234; 6.2788082637]
Centroid: CG[-29.76602548411; 2.09326942123]
Coordinates of the circumscribed circle: U[0.125; 643.3143832895]
Coordinates of the inscribed circle: I[00.0003053409; 0.00987195296]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176° = 0.07698131701 rad
∠ B' = β' = 4.0111132937° = 4°40″ = 3.07215851771 rad
∠ C' = γ' = 179.9898867063° = 179°59'20″ = 00.0001943064 rad

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How did we calculate this triangle?

1. Input data entered: side b, c and angle α.


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