14 21 27 triangle

Obtuse scalene triangle.

Sides: a = 14   b = 21   c = 27

Area: T = 145.1989531303
Perimeter: p = 62
Semiperimeter: s = 31

Angle ∠ A = α = 30.80659715435° = 30°48'21″ = 0.53876656327 rad
Angle ∠ B = β = 50.19223972126° = 50°11'33″ = 0.87660225908 rad
Angle ∠ C = γ = 99.00216312439° = 99°6″ = 1.72879044301 rad

Height: ha = 20.74113616147
Height: hb = 13.82875744098
Height: hc = 10.75547800965

Median: ma = 23.15216738056
Median: mb = 18.76883243791
Median: mc = 11.67326175299

Inradius: r = 4.68435332678
Circumradius: R = 13.66883408383

Vertex coordinates: A[27; 0] B[0; 0] C[8.9632962963; 10.75547800965]
Centroid: CG[11.9887654321; 3.58549266988]
Coordinates of the circumscribed circle: U[13.5; -2.13985839407]
Coordinates of the inscribed circle: I[10; 4.68435332678]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 149.1944028457° = 149°11'39″ = 0.53876656327 rad
∠ B' = β' = 129.8087602787° = 129°48'27″ = 0.87660225908 rad
∠ C' = γ' = 80.99883687561° = 80°59'54″ = 1.72879044301 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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