Odpowiedzi

2013-07-03T12:12:13+02:00

r = 1 m

h = a√3/2

r = ⅓ h = ⅓ * a√3/2 = a√3/6

a√3/6 = 1   I*6

a√3 = 6   /:√3

a = 6/√3 * √3/√3 = 6√3/3 = 2√3

 

P = a²√3/4

P = (2√3)² * √3/4 = 12/4 * √3

P = 3√3 m²

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