7 22 27 triangle

Obtuse scalene triangle.

Sides: a = 7   b = 22   c = 27

Area: T = 59.39769696197
Perimeter: p = 56
Semiperimeter: s = 28

Angle ∠ A = α = 11.53663623724° = 11°32'11″ = 0.20113475071 rad
Angle ∠ B = β = 38.9422441269° = 38°56'33″ = 0.68796738189 rad
Angle ∠ C = γ = 129.5211196359° = 129°31'16″ = 2.26105713276 rad

Height: ha = 16.97105627485
Height: hb = 5.43997245109
Height: hc = 4.43997755274

Median: ma = 24.37772434865
Median: mb = 16.37107055437
Median: mc = 9.17987798753

Inradius: r = 2.12113203436
Circumradius: R = 17.50108928344

Vertex coordinates: A[27; 0] B[0; 0] C[5.44444444444; 4.43997755274]
Centroid: CG[10.81548148148; 1.46765918425]
Coordinates of the circumscribed circle: U[13.5; -11.13769318037]
Coordinates of the inscribed circle: I[6; 2.12113203436]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 168.4643637628° = 168°27'49″ = 0.20113475071 rad
∠ B' = β' = 141.0587558731° = 141°3'27″ = 0.68796738189 rad
∠ C' = γ' = 50.47988036414° = 50°28'44″ = 2.26105713276 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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