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5 September, 23:47

In triangle abc, a=16 m, b=18m, and c=20 m. find the area

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  1. 6 September, 00:00
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    Acute scalene triangle. Sides: a = 16 b = 18 c = 20

    Area: T = 136.788

    Perimeter: p = 54

    Semiperimeter: s = 27

    Angle ∠ A = α = 49.458° = 49°27'30″ = 0.863 rad

    Angle ∠ B = β = 58.752° = 58°45'6″ = 1.025 rad

    Angle ∠ C = γ = 71.79° = 71°47'24″ = 1.253 rad

    Height: ha = 17.09 9

    Height: hb = 15.19 9

    Height: hc = 13.67 9

    Median: ma = 17.26 3

    Median: mb = 15.71 6

    Median: mc = 13.78 4

    Inradius: r = 5.066

    Circumradius: R = 10.527

    Vertex coordinates: A[20; 0] B[0; 0] C[8.3; 13.679]

    Centroid: CG[9.433; 4.56]

    Coordinates of the circumcenter: U[10; 3.29 ]
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