d=10cm
h=2*10=20cm
r=10:2=5cm
P=2πr(r+h)
P=2π*5(5+20)=10π*25=250π cm²
V=πr²h
V=π*5²*20=π*25*20=500πcm³
Pozdrawiam.
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d=10cm
h=2*10=20cm
r=10:2=5cm
P=2πr(r+h)
P=2π*5(5+20)=10π*25=250π cm²
V=πr²h
V=π*5²*20=π*25*20=500πcm³
Pozdrawiam.