16 20 27 triangle

Obtuse scalene triangle.

Sides: a = 16   b = 20   c = 27

Area: T = 158.9565772151
Perimeter: p = 63
Semiperimeter: s = 31.5

Angle ∠ A = α = 36.06765882598° = 36°4' = 0.62994807151 rad
Angle ∠ B = β = 47.38438572905° = 47°23'2″ = 0.8277004322 rad
Angle ∠ C = γ = 96.55495544497° = 96°32'58″ = 1.68551076165 rad

Height: ha = 19.86994715188
Height: hb = 15.89655772151
Height: hc = 11.77545016408

Median: ma = 22.37218573212
Median: mb = 19.81216127562
Median: mc = 12.07326964676

Inradius: r = 5.04662149889
Circumradius: R = 13.58986855241

Vertex coordinates: A[27; 0] B[0; 0] C[10.83333333333; 11.77545016408]
Centroid: CG[12.61111111111; 3.92548338803]
Coordinates of the circumscribed circle: U[13.5; -1.55499594426]
Coordinates of the inscribed circle: I[11.5; 5.04662149889]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 143.933341174° = 143°56' = 0.62994807151 rad
∠ B' = β' = 132.6166142709° = 132°36'58″ = 0.8277004322 rad
∠ C' = γ' = 83.45504455503° = 83°27'2″ = 1.68551076165 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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