23 26 29 triangle

Acute scalene triangle.

Sides: a = 23   b = 26   c = 29

Area: T = 284.8165729903
Perimeter: p = 78
Semiperimeter: s = 39

Angle ∠ A = α = 49.06772754258° = 49°4'2″ = 0.85663855112 rad
Angle ∠ B = β = 58.65216564476° = 58°39'6″ = 1.02436645168 rad
Angle ∠ C = γ = 72.28110681266° = 72°16'52″ = 1.26215426257 rad

Height: ha = 24.76765852089
Height: hb = 21.90989023002
Height: hc = 19.64224641312

Median: ma = 25.02549875125
Median: mb = 22.71656333832
Median: mc = 19.80553023203

Inradius: r = 7.30329674334
Circumradius: R = 15.2222122744

Vertex coordinates: A[29; 0] B[0; 0] C[11.96655172414; 19.64224641312]
Centroid: CG[13.65551724138; 6.54774880437]
Coordinates of the circumscribed circle: U[14.5; 4.63328199656]
Coordinates of the inscribed circle: I[13; 7.30329674334]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 130.9332724574° = 130°55'58″ = 0.85663855112 rad
∠ B' = β' = 121.3488343552° = 121°20'54″ = 1.02436645168 rad
∠ C' = γ' = 107.7198931873° = 107°43'8″ = 1.26215426257 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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