1.2 1.2 0.9 triangle

Acute isosceles triangle.

Sides: a = 1.2   b = 1.2   c = 0.9

Area: T = 0.50105933979
Perimeter: p = 3.3
Semiperimeter: s = 1.65

Angle ∠ A = α = 67.9765687163° = 67°58'32″ = 1.18663995523 rad
Angle ∠ B = β = 67.9765687163° = 67°58'32″ = 1.18663995523 rad
Angle ∠ C = γ = 44.04986256741° = 44°2'55″ = 0.7698793549 rad

Height: ha = 0.83443223298
Height: hb = 0.83443223298
Height: hc = 1.11224297731

Median: ma = 0.87546427842
Median: mb = 0.87546427842
Median: mc = 1.11224297731

Inradius: r = 0.30333899381
Circumradius: R = 0.6477231868

Vertex coordinates: A[0.9; 0] B[0; 0] C[0.45; 1.11224297731]
Centroid: CG[0.45; 0.37108099244]
Coordinates of the circumscribed circle: U[0.45; 0.46551979051]
Coordinates of the inscribed circle: I[0.45; 0.30333899381]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.0244312837° = 112°1'28″ = 1.18663995523 rad
∠ B' = β' = 112.0244312837° = 112°1'28″ = 1.18663995523 rad
∠ C' = γ' = 135.9511374326° = 135°57'5″ = 0.7698793549 rad

Calculate another triangle




How did we calculate this triangle?


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