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Pp=8²=64
H=10cm
V=(64*10)/3=640/3=213 ⅓
Pc= Pp + Pb
k=√116
Pb=4*(√116*8)/2=16√116=2√29
pc=64+2√29
V ≈ 213.3cm³
Pp = 64cm²
10² + (4√2)² = k²
100 + 32 = k²
132 = k²
k = √132
(√132)² + 4² = h₁²
132 + 16 = h₁²
h₁ = √148
Pb = ½ × √148 × 8
Pb = 4√148cm²
Pc = 64cm² + 4 × (4√148cm²)
Pc = 64cm² + 16√148cm²