14 17 28 triangle

Obtuse scalene triangle.

Sides: a = 14   b = 17   c = 28

Area: T = 92.59328587959
Perimeter: p = 59
Semiperimeter: s = 29.5

Angle ∠ A = α = 22.89551284418° = 22°53'42″ = 0.4399595374 rad
Angle ∠ B = β = 28.19110143445° = 28°11'28″ = 0.49220260198 rad
Angle ∠ C = γ = 128.9143857214° = 128°54'50″ = 2.25499712598 rad

Height: ha = 13.22875512566
Height: hb = 10.89332775054
Height: hc = 6.61437756283

Median: ma = 22.07994021658
Median: mb = 20.4398933436
Median: mc = 6.81990908485

Inradius: r = 3.13987409761
Circumradius: R = 17.99327482709

Vertex coordinates: A[28; 0] B[0; 0] C[12.33992857143; 6.61437756283]
Centroid: CG[13.44664285714; 2.20545918761]
Coordinates of the circumscribed circle: U[14; -11.30221675063]
Coordinates of the inscribed circle: I[12.5; 3.13987409761]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 157.1054871558° = 157°6'18″ = 0.4399595374 rad
∠ B' = β' = 151.8098985656° = 151°48'32″ = 0.49220260198 rad
∠ C' = γ' = 51.08661427862° = 51°5'10″ = 2.25499712598 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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