Triangle calculator SAS

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


Acute isosceles triangle.

Sides: a = 200   b = 200   c = 103.5287618041

Area: T = 10000
Perimeter: p = 503.5287618041
Semiperimeter: s = 251.764380902

Angle ∠ A = α = 75° = 1.3098996939 rad
Angle ∠ B = β = 75° = 1.3098996939 rad
Angle ∠ C = γ = 30° = 0.52435987756 rad

Height: ha = 100
Height: hb = 100
Height: hc = 193.1855165258

Median: ma = 123.9311367493
Median: mb = 123.9311367493
Median: mc = 193.1855165258

Inradius: r = 39.7219767662
Circumradius: R = 103.5287618041

Vertex coordinates: A[103.5287618041; 0] B[0; 0] C[51.76438090205; 193.1855165258]
Centroid: CG[51.76438090205; 64.39550550859]
Coordinates of the circumscribed circle: U[51.76438090205; 89.65875472168]
Coordinates of the inscribed circle: I[51.76438090205; 39.7219767662]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 105° = 1.3098996939 rad
∠ B' = β' = 105° = 1.3098996939 rad
∠ C' = γ' = 150° = 0.52435987756 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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