V = Sосн *H =ПR^2*H
S сеч = 2RH
Sпов=2ПRH + 2ПR^2
2ПR^2 = 2V/H
H = Sсеч/2R
ПR^2 = 2V * 2R/Sсеч = 2*96*2*R / 48 = 8R
R = 8/П
Sпов = 48П + 2П * 64/П^2 = 48П + 128/П
а) B; M; D; E; A; F; H; C.
б) d
d)CD; CM; MD; AM; ME
c) H; F; A; C; D; M
900-х=225:3
900-х=75
х=900-75
х=825
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900-825=225:3
75=75