19 29 29 triangle

Acute isosceles triangle.

Sides: a = 19   b = 29   c = 29

Area: T = 260.2988266418
Perimeter: p = 77
Semiperimeter: s = 38.5

Angle ∠ A = α = 38.24546667831° = 38°14'41″ = 0.66774953567 rad
Angle ∠ B = β = 70.87876666085° = 70°52'40″ = 1.23770486484 rad
Angle ∠ C = γ = 70.87876666085° = 70°52'40″ = 1.23770486484 rad

Height: ha = 27.43998175176
Height: hb = 17.95216045805
Height: hc = 17.95216045805

Median: ma = 27.43998175176
Median: mb = 19.76773974008
Median: mc = 19.76773974008

Inradius: r = 6.76109939329
Circumradius: R = 15.34768175374

Vertex coordinates: A[29; 0] B[0; 0] C[6.2244137931; 17.95216045805]
Centroid: CG[11.74113793103; 5.98438681935]
Coordinates of the circumscribed circle: U[14.5; 5.0277405745]
Coordinates of the inscribed circle: I[9.5; 6.76109939329]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.7555333217° = 141°45'19″ = 0.66774953567 rad
∠ B' = β' = 109.1222333392° = 109°7'20″ = 1.23770486484 rad
∠ C' = γ' = 109.1222333392° = 109°7'20″ = 1.23770486484 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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