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Mathematics
Problem
Find the required surface area (SA) and simplify:
6
ℓ
2
−
π
(
ℓ
2
)
2
+
2
π
(
ℓ
2
)
2
6\ell^2 - \pi\left(\frac{\ell}{2}\right)^2 + 2\pi\left(\frac{\ell}{2}\right)^2
6
ℓ
2
−
π
(
2
ℓ
)
2
+
2
π
(
2
ℓ
)
2
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