Triangle calculator SAS

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


Right isosceles triangle.

Sides: a = 200   b = 200   c = 282.8432712475

Area: T = 20000
Perimeter: p = 682.8432712475
Semiperimeter: s = 341.4211356237

Angle ∠ A = α = 45° = 0.78553981634 rad
Angle ∠ B = β = 45° = 0.78553981634 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 200
Height: hb = 200
Height: hc = 141.4211356237

Median: ma = 223.607679775
Median: mb = 223.607679775
Median: mc = 141.4211356237

Inradius: r = 58.57986437627
Circumradius: R = 141.4211356237

Vertex coordinates: A[282.8432712475; 0] B[0; 0] C[141.4211356237; 141.4211356237]
Centroid: CG[141.4211356237; 47.14404520791]
Coordinates of the circumscribed circle: U[141.4211356237; 0]
Coordinates of the inscribed circle: I[141.4211356237; 58.57986437627]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135° = 0.78553981634 rad
∠ B' = β' = 135° = 0.78553981634 rad
∠ C' = γ' = 90° = 1.57107963268 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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