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2010-04-11T15:28:10+02:00
AC - d
d = a√2
a√2 = 6cm
a = 6/√2 = 3√2cm
r = 1/2a
r = 1/2*3√2 = 3√2/2
H = a
H = 3√2
V = πr²H
V = π*(3√2/2)²*3√2
V = π*54√2/4
V = 27√2/2 π cm³
Pc = 2πrH+2πr²
Pc = 2π*3√2/2*3√2+2π*(3√2/2)²
Pc = 18π+9π
Pc = 27π cm²
2 3 2