9 16 16 triangle

Acute isosceles triangle.

Sides: a = 9   b = 16   c = 16

Area: T = 69.09436863975
Perimeter: p = 41
Semiperimeter: s = 20.5

Angle ∠ A = α = 32.67696455614° = 32°40'11″ = 0.57701928805 rad
Angle ∠ B = β = 73.66551772193° = 73°39'55″ = 1.28656998865 rad
Angle ∠ C = γ = 73.66551772193° = 73°39'55″ = 1.28656998865 rad

Height: ha = 15.35441525328
Height: hb = 8.63767107997
Height: hc = 8.63767107997

Median: ma = 15.35441525328
Median: mb = 10.22325241501
Median: mc = 10.22325241501

Inradius: r = 3.37704237267
Circumradius: R = 8.33765069955

Vertex coordinates: A[16; 0] B[0; 0] C[2.531125; 8.63767107997]
Centroid: CG[6.17770833333; 2.87989035999]
Coordinates of the circumscribed circle: U[8; 2.34546425925]
Coordinates of the inscribed circle: I[4.5; 3.37704237267]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 147.3330354439° = 147°19'49″ = 0.57701928805 rad
∠ B' = β' = 106.3354822781° = 106°20'5″ = 1.28656998865 rad
∠ C' = γ' = 106.3354822781° = 106°20'5″ = 1.28656998865 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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