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Answer:
Sides: a = 2 b = 2 c = 2
Step-by-step explanation:
Equilateral triangle.
Sides: a = 2 b = 2 c = 2
Area: T = 1.732
Perimeter: p = 6
Semiperimeter: s = 3
Angle ∠ A = α = 60° = 1.047 rad
Angle ∠ B = β = 60° = 1.047 rad
Angle ∠ C = γ = 60° = 1.047 rad
Height: ha = 1.732
Height: hb = 1.732
Height: hc = 1.732
Median: ma = 1.732
Median: mb = 1.732
Median: mc = 1.732
Inradius: r = 0.577
Circumradius: R = 1.155
Vertex coordinates: A[2; 0] B[0; 0] C[1; 1.732]
Centroid: CG[1; 0.577]
Coordinates of the circumscribed circle: U[1; 0.577]
Coordinates of the inscribed circle: I[1; 0.577]
Exterior (or external, outer) angles of the triangle:
∠ A' = α' = 120° = 1.047 rad
∠ B' = β' = 120° = 1.047 rad
∠ C' = γ' = 120° = 1.047 rad