13 26 29 triangle

Acute scalene triangle.

Sides: a = 13   b = 26   c = 29

Area: T = 168.9977041394
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 26.63326157343° = 26°37'57″ = 0.4654826833 rad
Angle ∠ B = β = 63.70664145252° = 63°42'23″ = 1.11218866881 rad
Angle ∠ C = γ = 89.66109697404° = 89°39'39″ = 1.56548791325 rad

Height: ha = 265.9995448299
Height: hb = 132.9997724149
Height: hc = 11.6554968372

Median: ma = 26.76328473821
Median: mb = 18.33303027798
Median: mc = 14.56988022843

Inradius: r = 4.97105012175
Circumradius: R = 14.55002538493

Vertex coordinates: A[29; 0] B[0; 0] C[5.75986206897; 11.6554968372]
Centroid: CG[11.58662068966; 3.88549894573]
Coordinates of the circumscribed circle: U[14.5; 0.08658003186]
Coordinates of the inscribed circle: I[8; 4.97105012175]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 153.3677384266° = 153°22'3″ = 0.4654826833 rad
∠ B' = β' = 116.2943585475° = 116°17'37″ = 1.11218866881 rad
∠ C' = γ' = 90.33990302596° = 90°20'21″ = 1.56548791325 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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