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EastWind [94]
3 years ago
10

Volume & surface! May I please have help

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

Answer:

D

Step-by-step explanation:

surface area of cylinder

=(area of base)×2 + (area of curved surface)

=(\frac{20}{2} )^{2} \pi× 2 + 20\pi × 25

=2 × \pi × 10^{2} + 2 × \pi × 10 × 25

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