Triangle calculator SAS

Please enter two sides of the triangle and the included angle
°


Obtuse scalene triangle.

Sides: a = 10.1   b = 6.2   c = 6.37990746246

Area: T = 18.93299982863
Perimeter: p = 22.67990746246
Semiperimeter: s = 11.34395373123

Angle ∠ A = α = 106.8111228759° = 106°48'40″ = 1.86442076199 rad
Angle ∠ B = β = 35.98987712412° = 35°59'20″ = 0.62881225519 rad
Angle ∠ C = γ = 37.2° = 37°12' = 0.64992624817 rad

Height: ha = 3.74985145121
Height: hb = 6.10664510601
Height: hc = 5.93550295772

Median: ma = 3.75501728671
Median: mb = 7.85875630149
Median: mc = 7.74993129846

Inradius: r = 1.66993801312
Circumradius: R = 5.27554581241

Vertex coordinates: A[6.37990746246; 0] B[0; 0] C[8.17222349402; 5.93550295772]
Centroid: CG[4.85504365216; 1.97883431924]
Coordinates of the circumscribed circle: U[3.19895373123; 4.20220602271]
Coordinates of the inscribed circle: I[5.14395373123; 1.66993801312]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 73.18987712412° = 73°11'20″ = 1.86442076199 rad
∠ B' = β' = 144.0111228759° = 144°40″ = 0.62881225519 rad
∠ C' = γ' = 142.8° = 142°48' = 0.64992624817 rad

Calculate another triangle




How did we calculate this triangle?

1. Calculation of the third side c of the triangle using a Law of Cosines


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