Equilateral triangle calculator

Please enter one property of the equilateral triangle

Use symbols: a, h, T, p, r, R


You have entered side a, b and c (as equilateral triangle).

Equilateral triangle.

Sides: a = 52865286   b = 52865286   c = 52865286

Area: T = 1.21015725332E+15
Perimeter: p = 158595858
Semiperimeter: s = 79297929

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

Height: ha = 45782680.65443
Height: hb = 45782680.65443
Height: hc = 45782680.65443

Median: ma = 45782680.65443
Median: mb = 45782680.65443
Median: mc = 45782680.65443

Inradius: r = 15260893.55114
Circumradius: R = 30521787.10329

Vertex coordinates: A[52865286; 0] B[0; 0] C[26432643; 45782680.65443]
Centroid: CG[26432643; 15260893.55114]
Coordinates of the circumscribed circle: U[26432643; 15260893.55114]
Coordinates of the inscribed circle: I[26432643; 15260893.55114]

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

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How did we calculate this triangle?

1. Input data entered: side a b c (as equilateral triangle)


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