Triangle calculator SAS

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


Acute isosceles triangle.

Sides: a = 60   b = 60   c = 45.92220118838

Area: T = 1272.792220614
Perimeter: p = 165.9222011884
Semiperimeter: s = 82.96110059419

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 = 42.42664068712
Height: hb = 42.42664068712
Height: hc = 55.43327719507

Median: ma = 44.20987727462
Median: mb = 44.20987727462
Median: mc = 55.43327719507

Inradius: r = 15.34220536755
Circumradius: R = 32.47217660088

Vertex coordinates: A[45.92220118838; 0] B[0; 0] C[22.96110059419; 55.43327719507]
Centroid: CG[22.96110059419; 18.47875906502]
Coordinates of the circumscribed circle: U[22.96110059419; 22.96110059419]
Coordinates of the inscribed circle: I[22.96110059419; 15.34220536755]

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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