Triangle calculator SSA

Please enter two sides and a non-included angle
°


Acute scalene triangle.

Sides: a = 85   b = 90   c = 82.45767306549

Area: T = 3176.075502616
Perimeter: p = 257.4576730655
Semiperimeter: s = 128.7288365327

Angle ∠ A = α = 58.86656606444° = 58°51'56″ = 1.02773995946 rad
Angle ∠ B = β = 65° = 1.13444640138 rad
Angle ∠ C = γ = 56.13443393556° = 56°8'4″ = 0.98797290452 rad

Height: ha = 74.73111770861
Height: hb = 70.57994450258
Height: hc = 77.03661618981

Median: ma = 75.12219423015
Median: mb = 70.61990924265
Median: mc = 77.21986628506

Inradius: r = 24.67326897998
Circumradius: R = 49.65220063533

Vertex coordinates: A[82.45767306549; 0] B[0; 0] C[35.9232552248; 77.03661618981]
Centroid: CG[39.46597609676; 25.67987206327]
Coordinates of the circumscribed circle: U[41.22883653274; 27.66884590705]
Coordinates of the inscribed circle: I[38.72883653274; 24.67326897998]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 121.1344339356° = 121°8'4″ = 1.02773995946 rad
∠ B' = β' = 115° = 1.13444640138 rad
∠ C' = γ' = 123.8665660644° = 123°51'56″ = 0.98797290452 rad

Calculate another triangle




How did we calculate this triangle?

1. Use Law of Cosines


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