3 13 14 triangle

Obtuse scalene triangle.

Sides: a = 3   b = 13   c = 14

Area: T = 18.9743665961
Perimeter: p = 30
Semiperimeter: s = 15

Angle ∠ A = α = 12.03545697281° = 12°2'4″ = 0.21100428658 rad
Angle ∠ B = β = 64.62330664748° = 64°37'23″ = 1.12878852827 rad
Angle ∠ C = γ = 103.3422363797° = 103°20'32″ = 1.80436645051 rad

Height: ha = 12.64991106407
Height: hb = 2.91990255325
Height: hc = 2.71105237087

Median: ma = 13.42657215821
Median: mb = 7.76220873481
Median: mc = 6.32545553203

Inradius: r = 1.26549110641
Circumradius: R = 7.19441816769

Vertex coordinates: A[14; 0] B[0; 0] C[1.28657142857; 2.71105237087]
Centroid: CG[5.09552380952; 0.90435079029]
Coordinates of the circumscribed circle: U[7; -1.66601957716]
Coordinates of the inscribed circle: I[2; 1.26549110641]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 167.9655430272° = 167°57'56″ = 0.21100428658 rad
∠ B' = β' = 115.3776933525° = 115°22'37″ = 1.12878852827 rad
∠ C' = γ' = 76.65876362029° = 76°39'28″ = 1.80436645051 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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