18 23 29 triangle

Acute scalene triangle.

Sides: a = 18   b = 23   c = 29

Area: T = 206.9788259728
Perimeter: p = 70
Semiperimeter: s = 35

Angle ∠ A = α = 38.36217507117° = 38°21'42″ = 0.67695388567 rad
Angle ∠ B = β = 52.46986519758° = 52°28'7″ = 0.91657507311 rad
Angle ∠ C = γ = 89.17695973125° = 89°10'11″ = 1.55663030658 rad

Height: ha = 22.99875844142
Height: hb = 17.99881095416
Height: hc = 14.27443627399

Median: ma = 24.57664114549
Median: mb = 21.21990951739
Median: mc = 14.70554411699

Inradius: r = 5.91436645637
Circumradius: R = 14.50215230293

Vertex coordinates: A[29; 0] B[0; 0] C[10.96655172414; 14.27443627399]
Centroid: CG[13.32218390805; 4.75881209133]
Coordinates of the circumscribed circle: U[14.5; 0.21101670004]
Coordinates of the inscribed circle: I[12; 5.91436645637]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.6388249288° = 141°38'18″ = 0.67695388567 rad
∠ B' = β' = 127.5311348024° = 127°31'53″ = 0.91657507311 rad
∠ C' = γ' = 90.83304026875° = 90°49'49″ = 1.55663030658 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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