9 17 19 triangle

Acute scalene triangle.

Sides: a = 9   b = 17   c = 19

Area: T = 76.46769046058
Perimeter: p = 45
Semiperimeter: s = 22.5

Angle ∠ A = α = 28.26603825592° = 28°15'37″ = 0.49332367235 rad
Angle ∠ B = β = 63.4255030481° = 63°25'30″ = 1.10769756101 rad
Angle ∠ C = γ = 88.31545869598° = 88°18'53″ = 1.541138032 rad

Height: ha = 16.9932645468
Height: hb = 8.99661064242
Height: hc = 8.04991478532

Median: ma = 17.45770902501
Median: mb = 12.19663109177
Median: mc = 9.7343961167

Inradius: r = 3.39985290936
Circumradius: R = 9.50441116643

Vertex coordinates: A[19; 0] B[0; 0] C[4.02663157895; 8.04991478532]
Centroid: CG[7.67554385965; 2.68330492844]
Coordinates of the circumscribed circle: U[9.5; 0.2879532696]
Coordinates of the inscribed circle: I[5.5; 3.39985290936]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 151.7439617441° = 151°44'23″ = 0.49332367235 rad
∠ B' = β' = 116.5754969519° = 116°34'30″ = 1.10769756101 rad
∠ C' = γ' = 91.68554130402° = 91°41'7″ = 1.541138032 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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