Triangle calculator

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

You have entered side a, b and angle α.

Triangle has two solutions: a=984.2; b=4000; c=3241.957731666 and a=984.2; b=4000; c=4636.505470744.

#1 Obtuse scalene triangle.

Sides: a = 984.2   b = 4000   c = 3241.957731666

Area: T = 1125919.966022
Perimeter: p = 8226.157731666
Semiperimeter: s = 4113.079865833

Angle ∠ A = α = 10° = 0.17545329252 rad
Angle ∠ B = β = 135.1110361827° = 135°6'37″ = 2.35881206674 rad
Angle ∠ C = γ = 34.89896381728° = 34°53'23″ = 0.60989390609 rad

Height: ha = 2287.999016505
Height: hb = 562.9659980111
Height: hc = 694.5932710668

Median: ma = 3607.351099644
Median: mb = 1318.889909371
Median: mc = 2420.07329347

Inradius: r = 273.7411412152
Circumradius: R = 2833.891095476

Vertex coordinates: A[3241.957731666; 0] B[0; 0] C[-697.2743695393; 694.5932710668]
Centroid: CG[848.2287873754; 231.5310903556]
Coordinates of the circumscribed circle: U[1620.979865833; 2324.514417132]
Coordinates of the inscribed circle: I[113.0798658328; 273.7411412152]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 170° = 0.17545329252 rad
∠ B' = β' = 44.89896381728° = 44°53'23″ = 2.35881206674 rad
∠ C' = γ' = 145.1110361827° = 145°6'37″ = 0.60989390609 rad




How did we calculate this triangle?

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


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