9 22 22 triangle

Acute isosceles triangle.

Sides: a = 9   b = 22   c = 22

Area: T = 96.90768496031
Perimeter: p = 53
Semiperimeter: s = 26.5

Angle ∠ A = α = 23.60657833806° = 23°36'21″ = 0.41219986425 rad
Angle ∠ B = β = 78.19771083097° = 78°11'50″ = 1.36547970055 rad
Angle ∠ C = γ = 78.19771083097° = 78°11'50″ = 1.36547970055 rad

Height: ha = 21.53548554674
Height: hb = 8.81097136003
Height: hc = 8.81097136003

Median: ma = 21.53548554674
Median: mb = 12.70882650271
Median: mc = 12.70882650271

Inradius: r = 3.65768622492
Circumradius: R = 11.23875957371

Vertex coordinates: A[22; 0] B[0; 0] C[1.84109090909; 8.81097136003]
Centroid: CG[7.9476969697; 2.93765712001]
Coordinates of the circumscribed circle: U[11; 2.29985991281]
Coordinates of the inscribed circle: I[4.5; 3.65768622492]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.3944216619° = 156°23'39″ = 0.41219986425 rad
∠ B' = β' = 101.803289169° = 101°48'10″ = 1.36547970055 rad
∠ C' = γ' = 101.803289169° = 101°48'10″ = 1.36547970055 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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