10 25 26 triangle

Acute scalene triangle.

Sides: a = 10   b = 25   c = 26

Area: T = 124.3988301837
Perimeter: p = 61
Semiperimeter: s = 30.5

Angle ∠ A = α = 22.5054996964° = 22°30'18″ = 0.39327862952 rad
Angle ∠ B = β = 73.11990162165° = 73°7'8″ = 1.27661675788 rad
Angle ∠ C = γ = 84.37659868195° = 84°22'34″ = 1.47326387796 rad

Height: ha = 24.88796603675
Height: hb = 9.9521864147
Height: hc = 9.56991001413

Median: ma = 25.01099980008
Median: mb = 15.22333373476
Median: mc = 13.91104277432

Inradius: r = 4.07986328471
Circumradius: R = 13.06328792837

Vertex coordinates: A[26; 0] B[0; 0] C[2.90438461538; 9.56991001413]
Centroid: CG[9.63546153846; 3.19897000471]
Coordinates of the circumscribed circle: U[13; 1.28801621698]
Coordinates of the inscribed circle: I[5.5; 4.07986328471]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 157.4955003036° = 157°29'42″ = 0.39327862952 rad
∠ B' = β' = 106.8810983783° = 106°52'52″ = 1.27661675788 rad
∠ C' = γ' = 95.62440131805° = 95°37'26″ = 1.47326387796 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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