16 22 30 triangle

Obtuse scalene triangle.

Sides: a = 16   b = 22   c = 30

Area: T = 171.3944282285
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 31.29904452139° = 31°17'26″ = 0.54661212934 rad
Angle ∠ B = β = 45.57329959992° = 45°34'23″ = 0.79553988302 rad
Angle ∠ C = γ = 103.1376558787° = 103°8'12″ = 1.880007253 rad

Height: ha = 21.42442852856
Height: hb = 15.58112983895
Height: hc = 11.42662854857

Median: ma = 25.06599281723
Median: mb = 21.37875583264
Median: mc = 12.04215945788

Inradius: r = 5.04110083025
Circumradius: R = 15.40330809243

Vertex coordinates: A[30; 0] B[0; 0] C[11.2; 11.42662854857]
Centroid: CG[13.73333333333; 3.80987618286]
Coordinates of the circumscribed circle: U[15; -3.50107002101]
Coordinates of the inscribed circle: I[12; 5.04110083025]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 148.7109554786° = 148°42'34″ = 0.54661212934 rad
∠ B' = β' = 134.4277004001° = 134°25'37″ = 0.79553988302 rad
∠ C' = γ' = 76.86334412131° = 76°51'48″ = 1.880007253 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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