Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=7.51550398384 and with side c=3.83223150135

#1 Acute scalene triangle.

Sides: a = 7.2   b = 4.8   c = 7.51550398384

Area: T = 16.65661938506
Perimeter: p = 19.51550398384
Semiperimeter: s = 9.75875199192

Angle ∠ A = α = 67.44220807656° = 67°26'31″ = 1.17770863638 rad
Angle ∠ B = β = 38° = 0.66332251158 rad
Angle ∠ C = γ = 74.55879192344° = 74°33'29″ = 1.30112811741 rad

Height: ha = 4.6276720514
Height: hb = 6.94400807711
Height: hc = 4.43327626223

Median: ma = 5.17766699611
Median: mb = 6.95768607781
Median: mc = 4.82991866869

Inradius: r = 1.70770110016
Circumradius: R = 3.89882461892

Vertex coordinates: A[7.51550398384; 0] B[0; 0] C[5.6743677426; 4.43327626223]
Centroid: CG[4.39662390881; 1.47875875408]
Coordinates of the circumscribed circle: U[3.75875199192; 1.03879631054]
Coordinates of the inscribed circle: I[4.95875199192; 1.70770110016]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.5587919234° = 112°33'29″ = 1.17770863638 rad
∠ B' = β' = 142° = 0.66332251158 rad
∠ C' = γ' = 105.4422080766° = 105°26'31″ = 1.30112811741 rad




How did we calculate this triangle?

1. Use Law of Cosines


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