Why is an equilateral triangle special?

All 3 sides equal, all angles 60°. Symmetrical. Most stable triangle shape.

What's the height of a 10-unit equilateral triangle?

(10 × √3) / 2 ≈ 8.66 units.

(6² × √3) / 4 = (36 × √3) / 4 ≈ 15.59 square units.

Hisabati

All sides equal. A = (√3/4)s² | h = (√3/2)s | All angles = 60°

Side Length (s)

Mathematically verified

Reviewed October 2026

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