Pp=ah
a=3cm
h=2cm
Pp=3×2=6cm²
H=7cm
Pb=4aH=4×3×7=84cm²
Pc=2×6+84=96cm²
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Pp=ah
a=3cm
h=2cm
Pp=3×2=6cm²
H=7cm
Pb=4aH=4×3×7=84cm²
Pc=2×6+84=96cm²