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Answer:

Q9 c) 75.36 in²

Q10 b) 376.8 in²

Step-by-step explanation:

Q9

= 2[tex]\pi[/tex]r[r + l]

= 2(3.14)(2)[2 + 4]

= 12.56 x 6

= 75.36 in²

Q10

= 2[tex]\pi[/tex]r[r + l]

= 2(3.14)(6)[6 + 4]

= 37.68 x 10

= 376.8 in²

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