11 12 16 triangle

Acute scalene triangle.

Sides: a = 11   b = 12   c = 16

Area: T = 65.96216365776
Perimeter: p = 39
Semiperimeter: s = 19.5

Angle ∠ A = α = 43.40110149198° = 43°24'4″ = 0.75774906091 rad
Angle ∠ B = β = 48.55326288331° = 48°33'9″ = 0.84774032336 rad
Angle ∠ C = γ = 88.04663562471° = 88°2'47″ = 1.53766988109 rad

Height: ha = 11.99330248323
Height: hb = 10.99436060963
Height: hc = 8.24552045722

Median: ma = 13.02988142208
Median: mb = 12.34990890352
Median: mc = 8.27664726786

Inradius: r = 3.38326480296
Circumradius: R = 8.00546528163

Vertex coordinates: A[16; 0] B[0; 0] C[7.281125; 8.24552045722]
Centroid: CG[7.76604166667; 2.74884015241]
Coordinates of the circumscribed circle: U[8; 0.27328858915]
Coordinates of the inscribed circle: I[7.5; 3.38326480296]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 136.599898508° = 136°35'56″ = 0.75774906091 rad
∠ B' = β' = 131.4477371167° = 131°26'51″ = 0.84774032336 rad
∠ C' = γ' = 91.95436437529° = 91°57'13″ = 1.53766988109 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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