AABCDA'B'C'D' PRISMA DREPTUNGHIULARA DREAPTA
ABCD dreptunghi
AB=4cm
BC=3cm
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V?
Al?
H?, 2400V
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V=Ab※H→ h= V/Ab
Ab= L※l
Al= Pb※H
V= Ab※H
Ab= L※l= 3※4=12 cm patrati
B'B=4 cm
V= H※Ab= 4 ※12= 48 cm cubi
B. Nu stiu sa.l fac....
C. Al= Pb ※ h
Pb= 2(l+L)= 2(AB+BC)=2(4+3)=2※7=14 cm patrati