16 21 27 triangle

Obtuse scalene triangle.

Sides: a = 16   b = 21   c = 27

Area: T = 167.8099415707
Perimeter: p = 64
Semiperimeter: s = 32

Angle ∠ A = α = 36.29333999285° = 36°17'36″ = 0.63334393255 rad
Angle ∠ B = β = 50.97771974348° = 50°58'38″ = 0.89897199387 rad
Angle ∠ C = γ = 92.72994026368° = 92°43'46″ = 1.61884333894 rad

Height: ha = 20.97661769634
Height: hb = 15.9821849115
Height: hc = 12.43303270894

Median: ma = 22.8255424421
Median: mb = 19.5511214796
Median: mc = 12.89437969582

Inradius: r = 5.24440442409
Circumradius: R = 13.51553322026

Vertex coordinates: A[27; 0] B[0; 0] C[10.07440740741; 12.43303270894]
Centroid: CG[12.35880246914; 4.14334423631]
Coordinates of the circumscribed circle: U[13.5; -0.64435872477]
Coordinates of the inscribed circle: I[11; 5.24440442409]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 143.7076600072° = 143°42'24″ = 0.63334393255 rad
∠ B' = β' = 129.0232802565° = 129°1'22″ = 0.89897199387 rad
∠ C' = γ' = 87.27105973632° = 87°16'14″ = 1.61884333894 rad

Calculate another triangle




How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.


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