2 14 15 triangle

Obtuse scalene triangle.

Sides: a = 2   b = 14   c = 15

Area: T = 12.52774698164
Perimeter: p = 31
Semiperimeter: s = 15.5

Angle ∠ A = α = 6.8522238335° = 6°51'8″ = 0.12195941201 rad
Angle ∠ B = β = 56.63329870308° = 56°37'59″ = 0.98884320889 rad
Angle ∠ C = γ = 116.5154774634° = 116°30'53″ = 2.03435664446 rad

Height: ha = 12.52774698164
Height: hb = 1.79896385452
Height: hc = 1.67703293088

Median: ma = 14.47441148261
Median: mb = 8.09332070281
Median: mc = 6.61443782777

Inradius: r = 0.80882238591
Circumradius: R = 8.38215807612

Vertex coordinates: A[15; 0] B[0; 0] C[1.1; 1.67703293088]
Centroid: CG[5.36766666667; 0.55767764363]
Coordinates of the circumscribed circle: U[7.5; -3.74217771256]
Coordinates of the inscribed circle: I[1.5; 0.80882238591]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 173.1487761665° = 173°8'52″ = 0.12195941201 rad
∠ B' = β' = 123.3677012969° = 123°22'1″ = 0.98884320889 rad
∠ C' = γ' = 63.48552253657° = 63°29'7″ = 2.03435664446 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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