Triangle calculator SAS

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


Acute isosceles triangle.

Sides: a = 50   b = 50   c = 38.26883432365

Area: T = 883.8833476483
Perimeter: p = 138.2688343236
Semiperimeter: s = 69.13441716183

Angle ∠ A = α = 67.5° = 67°30' = 1.17880972451 rad
Angle ∠ B = β = 67.5° = 67°30' = 1.17880972451 rad
Angle ∠ C = γ = 45° = 0.78553981634 rad

Height: ha = 35.35553390593
Height: hb = 35.35553390593
Height: hc = 46.19439766256

Median: ma = 36.84106439552
Median: mb = 36.84106439552
Median: mc = 46.19439766256

Inradius: r = 12.78550447296
Circumradius: R = 27.06598050073

Vertex coordinates: A[38.26883432365; 0] B[0; 0] C[19.13441716183; 46.19439766256]
Centroid: CG[19.13441716183; 15.39879922085]
Coordinates of the circumscribed circle: U[19.13441716183; 19.13441716183]
Coordinates of the inscribed circle: I[19.13441716183; 12.78550447296]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.5° = 112°30' = 1.17880972451 rad
∠ B' = β' = 112.5° = 112°30' = 1.17880972451 rad
∠ C' = γ' = 135° = 0.78553981634 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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