3.5 3.5 3.5 triangle

Equilateral triangle.

Sides: a = 3.5   b = 3.5   c = 3.5

Area: T = 5.30444055982
Perimeter: p = 10.5
Semiperimeter: s = 5.25

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

Height: ha = 3.03110889132
Height: hb = 3.03110889132
Height: hc = 3.03110889132

Median: ma = 3.03110889132
Median: mb = 3.03110889132
Median: mc = 3.03110889132

Inradius: r = 1.01103629711
Circumradius: R = 2.02107259422

Vertex coordinates: A[3.5; 0] B[0; 0] C[1.75; 3.03110889132]
Centroid: CG[1.75; 1.01103629711]
Coordinates of the circumscribed circle: U[1.75; 1.01103629711]
Coordinates of the inscribed circle: I[1.75; 1.01103629711]

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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