7 11 17 triangle

Obtuse scalene triangle.

Sides: a = 7   b = 11   c = 17

Area: T = 24.43774200766
Perimeter: p = 35
Semiperimeter: s = 17.5

Angle ∠ A = α = 15.15109401512° = 15°9'3″ = 0.26444337904 rad
Angle ∠ B = β = 24.25496286025° = 24°14'59″ = 0.42332358615 rad
Angle ∠ C = γ = 140.5999431246° = 140°35'58″ = 2.45439230017 rad

Height: ha = 6.98221200219
Height: hb = 4.44331672867
Height: hc = 2.87549905972

Median: ma = 13.88334433769
Median: mb = 11.77992189894
Median: mc = 3.57107142143

Inradius: r = 1.39664240044
Circumradius: R = 13.39113481445

Vertex coordinates: A[17; 0] B[0; 0] C[6.38223529412; 2.87549905972]
Centroid: CG[7.79441176471; 0.95883301991]
Coordinates of the circumscribed circle: U[8.5; -10.34878599299]
Coordinates of the inscribed circle: I[6.5; 1.39664240044]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 164.8499059849° = 164°50'57″ = 0.26444337904 rad
∠ B' = β' = 155.7550371397° = 155°45'1″ = 0.42332358615 rad
∠ C' = γ' = 39.40105687537° = 39°24'2″ = 2.45439230017 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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