11 22 30 triangle

Obtuse scalene triangle.

Sides: a = 11   b = 22   c = 30

Area: T = 95.92767298515
Perimeter: p = 63
Semiperimeter: s = 31.5

Angle ∠ A = α = 16.89990937835° = 16°53'57″ = 0.29549448271 rad
Angle ∠ B = β = 35.54772490891° = 35°32'50″ = 0.62204165366 rad
Angle ∠ C = γ = 127.5543657127° = 127°33'13″ = 2.22662312898 rad

Height: ha = 17.44112236094
Height: hb = 8.72106118047
Height: hc = 6.39551153234

Median: ma = 25.72545019388
Median: mb = 19.7365754356
Median: mc = 8.80334084308

Inradius: r = 3.04552930112
Circumradius: R = 18.92106908524

Vertex coordinates: A[30; 0] B[0; 0] C[8.95; 6.39551153234]
Centroid: CG[12.98333333333; 2.13217051078]
Coordinates of the circumscribed circle: U[15; -11.53222392592]
Coordinates of the inscribed circle: I[9.5; 3.04552930112]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 163.1010906217° = 163°6'3″ = 0.29549448271 rad
∠ B' = β' = 144.4532750911° = 144°27'10″ = 0.62204165366 rad
∠ C' = γ' = 52.44663428725° = 52°26'47″ = 2.22662312898 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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