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Obw=4*a
rop=½*d
rop=8
8=½*d
d=16
d=a√2
16=a√2
a=8√2
Obw=4*a
Obw=4*8√2
Obw=32√2
zad2.
r=2
rop=⅔*h
2=⅔*h
h=3
h=a√3/2
3=a√3/2
a=2√3
Obw=3*a
Obw=6√3