S б.п = 2πrh
S Осн = πr^2
2πrh=πr^2
2rh=r^2
2h=r
d=2r=> d=4h
ответ:h/d=4/1
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S б.п = 2πrh
S Осн = πr^2
2πrh=πr^2
2rh=r^2
2h=r
d=2r=> d=4h
ответ:h/d=4/1