7 16 22 triangle

Obtuse scalene triangle.

Sides: a = 7   b = 16   c = 22

Area: T = 33.66765635312
Perimeter: p = 45
Semiperimeter: s = 22.5

Angle ∠ A = α = 11.02879186667° = 11°1'41″ = 0.19224734904 rad
Angle ∠ B = β = 25.92771561696° = 25°55'38″ = 0.45325142408 rad
Angle ∠ C = γ = 143.0454925164° = 143°2'42″ = 2.49766049224 rad

Height: ha = 9.61990181518
Height: hb = 4.20883204414
Height: hc = 3.06105966847

Median: ma = 18.91442803194
Median: mb = 14.23302494708
Median: mc = 5.61224860802

Inradius: r = 1.49662917125
Circumradius: R = 18.29770857548

Vertex coordinates: A[22; 0] B[0; 0] C[6.29554545455; 3.06105966847]
Centroid: CG[9.43218181818; 1.02201988949]
Coordinates of the circumscribed circle: U[11; -14.62113319201]
Coordinates of the inscribed circle: I[6.5; 1.49662917125]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 168.9722081333° = 168°58'19″ = 0.19224734904 rad
∠ B' = β' = 154.073284383° = 154°4'22″ = 0.45325142408 rad
∠ C' = γ' = 36.95550748363° = 36°57'18″ = 2.49766049224 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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