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An equilateral triangle has all three sides equal and all three angles equal to 60°. It is the most symmetric triangle and tiles a plane perfectly with copies of itself.
Trin-for-trin guide
- 1All sides equal: a = b = c
- 2Area = (√3 / 4) × side²
- 3Height = (√3 / 2) × side · Perimeter = 3 × side
Løste eksempler
Input
s=10
Resultat
h=8.66, A=43.30, P=30
h=(√3/2)×10=8.66
Input
s=6
Resultat
h=5.20, A=15.59, P=18