17 22 26 triangle

Acute scalene triangle.

Sides: a = 17   b = 22   c = 26

Area: T = 185.4210973733
Perimeter: p = 65
Semiperimeter: s = 32.5

Angle ∠ A = α = 40.41554390215° = 40°24'56″ = 0.70553824796 rad
Angle ∠ B = β = 57.03656126762° = 57°2'8″ = 0.99554592321 rad
Angle ∠ C = γ = 82.54989483023° = 82°32'56″ = 1.44107509419 rad

Height: ha = 21.81442322039
Height: hb = 16.85664521575
Height: hc = 14.26331518256

Median: ma = 22.53333086785
Median: mb = 19.01331533418
Median: mc = 14.74878812038

Inradius: r = 5.70552607302
Circumradius: R = 13.11107066858

Vertex coordinates: A[26; 0] B[0; 0] C[9.25; 14.26331518256]
Centroid: CG[11.75; 4.75443839419]
Coordinates of the circumscribed circle: U[13; 1.77001852253]
Coordinates of the inscribed circle: I[10.5; 5.70552607302]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 139.5854560979° = 139°35'4″ = 0.70553824796 rad
∠ B' = β' = 122.9644387324° = 122°57'52″ = 0.99554592321 rad
∠ C' = γ' = 97.45110516977° = 97°27'4″ = 1.44107509419 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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