ABCDEF trunchi de piramida
ABC baza mare
AN inaltime in triunghiul ABC
ANB triunghi dreptunghic in N
AN^2= BA^2-BN^2
AN=√48
AN=4√3
AO=2/3 •4√3= (8√3)/3
DEF triunghi baza mica
DM inaltime in triunghiul DEF
DM^2=DF^2-FE^2
DM=√12=2√3
DO'= 2/3• 2√3= (4√3)/3
AOO'D trapez dreptunghic
OO'^2=DA^2-AV^2
OO'=√1051,3=32,42cm