8.08 8.08 8.08 triangle

Equilateral triangle.

Sides: a = 8.08   b = 8.08   c = 8.08

Area: T = 28.27698404608
Perimeter: p = 24.24
Semiperimeter: s = 12.12

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

Height: ha = 6.99774852626
Height: hb = 6.99774852626
Height: hc = 6.99774852626

Median: ma = 6.99774852626
Median: mb = 6.99774852626
Median: mc = 6.99774852626

Inradius: r = 2.33224950875
Circumradius: R = 4.66549901751

Vertex coordinates: A[8.08; 0] B[0; 0] C[4.04; 6.99774852626]
Centroid: CG[4.04; 2.33224950875]
Coordinates of the circumscribed circle: U[4.04; 2.33224950875]
Coordinates of the inscribed circle: I[4.04; 2.33224950875]

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

How did we calculate this triangle?

1. The triangle circumference is the sum of the lengths of its three sides 2. Semiperimeter of the triangle 3. The triangle area using Heron's formula 4. Calculate the heights of the triangle from its area. 5. Calculation of the inner angles of the triangle using a Law of Cosines     