12 25 29 triangle

Obtuse scalene triangle.

Sides: a = 12   b = 25   c = 29

Area: T = 148.9166083752
Perimeter: p = 66
Semiperimeter: s = 33

Angle ∠ A = α = 24.25552873422° = 24°15'19″ = 0.42333346251 rad
Angle ∠ B = β = 58.85326100785° = 58°51'9″ = 1.02771718193 rad
Angle ∠ C = γ = 96.89221025793° = 96°53'32″ = 1.69110862092 rad

Height: ha = 24.8199347292
Height: hb = 11.91332867002
Height: hc = 10.27700747415

Median: ma = 26.40107575649
Median: mb = 18.33771208209
Median: mc = 13.22003787824

Inradius: r = 4.51326085985
Circumradius: R = 14.6065541223

Vertex coordinates: A[29; 0] B[0; 0] C[6.20768965517; 10.27700747415]
Centroid: CG[11.73656321839; 3.42333582472]
Coordinates of the circumscribed circle: U[14.5; -1.75326649468]
Coordinates of the inscribed circle: I[8; 4.51326085985]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 155.7454712658° = 155°44'41″ = 0.42333346251 rad
∠ B' = β' = 121.1477389922° = 121°8'51″ = 1.02771718193 rad
∠ C' = γ' = 83.10878974207° = 83°6'28″ = 1.69110862092 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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