14 16 20 triangle

Acute scalene triangle.

Sides: a = 14   b = 16   c = 20

Area: T = 111.2432977306
Perimeter: p = 50
Semiperimeter: s = 25

Angle ∠ A = α = 44.04986256741° = 44°2'55″ = 0.7698793549 rad
Angle ∠ B = β = 52.61768015821° = 52°37' = 0.91883364295 rad
Angle ∠ C = γ = 83.33545727438° = 83°20'4″ = 1.45444626751 rad

Height: ha = 15.89218539009
Height: hb = 13.90553721633
Height: hc = 11.12442977306

Median: ma = 16.70332930885
Median: mb = 15.29770585408
Median: mc = 11.22549721603

Inradius: r = 4.45497190923
Circumradius: R = 10.06880512795

Vertex coordinates: A[20; 0] B[0; 0] C[8.5; 11.12442977306]
Centroid: CG[9.5; 3.70880992435]
Coordinates of the circumscribed circle: U[10; 1.16986130949]
Coordinates of the inscribed circle: I[9; 4.45497190923]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.9511374326° = 135°57'5″ = 0.7698793549 rad
∠ B' = β' = 127.3833198418° = 127°23' = 0.91883364295 rad
∠ C' = γ' = 96.66554272562° = 96°39'56″ = 1.45444626751 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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