13 23 23 triangle

Acute isosceles triangle.

Sides: a = 13   b = 23   c = 23

Area: T = 143.4065674574
Perimeter: p = 59
Semiperimeter: s = 29.5

Angle ∠ A = α = 32.83219234041° = 32°49'55″ = 0.57330251632 rad
Angle ∠ B = β = 73.5844038298° = 73°35'3″ = 1.28442837452 rad
Angle ∠ C = γ = 73.5844038298° = 73°35'3″ = 1.28442837452 rad

Height: ha = 22.06224114729
Height: hb = 12.47700586586
Height: hc = 12.47700586586

Median: ma = 22.06224114729
Median: mb = 14.72224318643
Median: mc = 14.72224318643

Inradius: r = 4.86112093076
Circumradius: R = 11.98987166607

Vertex coordinates: A[23; 0] B[0; 0] C[3.67439130435; 12.47700586586]
Centroid: CG[8.89113043478; 4.15766862195]
Coordinates of the circumscribed circle: U[11.5; 3.3888115578]
Coordinates of the inscribed circle: I[6.5; 4.86112093076]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 147.1688076596° = 147°10'5″ = 0.57330251632 rad
∠ B' = β' = 106.4165961702° = 106°24'57″ = 1.28442837452 rad
∠ C' = γ' = 106.4165961702° = 106°24'57″ = 1.28442837452 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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