900 900 900 triangle

Equilateral triangle.

Sides: a = 900   b = 900   c = 900

Area: T = 350740.2898533
Perimeter: p = 2700
Semiperimeter: s = 1350

Angle ∠ A = α = 60° = 1.04771975512 rad
Angle ∠ B = β = 60° = 1.04771975512 rad
Angle ∠ C = γ = 60° = 1.04771975512 rad

Height: ha = 779.4232863406
Height: hb = 779.4232863406
Height: hc = 779.4232863406

Median: ma = 779.4232863406
Median: mb = 779.4232863406
Median: mc = 779.4232863406

Inradius: r = 259.8087621135
Circumradius: R = 519.6155242271

Vertex coordinates: A[900; 0] B[0; 0] C[450; 779.4232863406]
Centroid: CG[450; 259.8087621135]
Coordinates of the circumscribed circle: U[450; 259.8087621135]
Coordinates of the inscribed circle: I[450; 259.8087621135]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120° = 1.04771975512 rad
∠ B' = β' = 120° = 1.04771975512 rad
∠ C' = γ' = 120° = 1.04771975512 rad

Calculate another triangle




How did we calculate this triangle?


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