12 24 29 triangle

Obtuse scalene triangle.

Sides: a = 12   b = 24   c = 29

Area: T = 140.7876851304
Perimeter: p = 65
Semiperimeter: s = 32.5

Angle ∠ A = α = 23.86435522517° = 23°51'49″ = 0.4166497558 rad
Angle ∠ B = β = 54.0110025852° = 54°36″ = 0.94326527802 rad
Angle ∠ C = γ = 102.1266421896° = 102°7'35″ = 1.78224423154 rad

Height: ha = 23.46444752173
Height: hb = 11.73222376086
Height: hc = 9.70994380209

Median: ma = 25.93326049598
Median: mb = 18.66881547026
Median: mc = 12.23772382505

Inradius: r = 4.3321903117
Circumradius: R = 14.83109304503

Vertex coordinates: A[29; 0] B[0; 0] C[7.05217241379; 9.70994380209]
Centroid: CG[12.01772413793; 3.23664793403]
Coordinates of the circumscribed circle: U[14.5; -3.11655253203]
Coordinates of the inscribed circle: I[8.5; 4.3321903117]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.1366447748° = 156°8'11″ = 0.4166497558 rad
∠ B' = β' = 125.9989974148° = 125°59'24″ = 0.94326527802 rad
∠ C' = γ' = 77.87435781037° = 77°52'25″ = 1.78224423154 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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