16 21 22 triangle

Acute scalene triangle.

Sides: a = 16   b = 21   c = 22

Area: T = 159.3377495587
Perimeter: p = 59
Semiperimeter: s = 29.5

Angle ∠ A = α = 43.61221194431° = 43°36'44″ = 0.76111750781 rad
Angle ∠ B = β = 64.86773172888° = 64°52'2″ = 1.13221482636 rad
Angle ∠ C = γ = 71.52105632681° = 71°31'14″ = 1.24882693119 rad

Height: ha = 19.91771869484
Height: hb = 15.17549995797
Height: hc = 14.48552268716

Median: ma = 19.96224647777
Median: mb = 16.11767614613
Median: mc = 15.0833103129

Inradius: r = 5.40112710369
Circumradius: R = 11.59880233855

Vertex coordinates: A[22; 0] B[0; 0] C[6.79554545455; 14.48552268716]
Centroid: CG[9.59884848485; 4.82884089572]
Coordinates of the circumscribed circle: U[11; 3.67661591981]
Coordinates of the inscribed circle: I[8.5; 5.40112710369]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 136.3887880557° = 136°23'16″ = 0.76111750781 rad
∠ B' = β' = 115.1332682711° = 115°7'58″ = 1.13221482636 rad
∠ C' = γ' = 108.4799436732° = 108°28'46″ = 1.24882693119 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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