Olivia1530 Olivia1530

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Mathematics

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PLEAS HELP GRADE 9 MATH ( surface area ) NEED HELP ASAP!! how do I find the surface area of this cylinder?

PLEAS HELP GRADE 9 MATH ( surface area ) NEED HELP ASAP!! how do I find the surface area of this cylinder? class=

Answer :

bearbearxx1 bearbearxx1

Today at 10:30 PM

Answer:

1231.50432 [tex]m^{2}[/tex]

Step-by-step explanation:

A=2πrh+2π[tex]r^{2}[/tex]

h = 21 m

r = 7 m

A = 2π(7)(21) + 2π([tex]7^{2}[/tex])

A = 1231.50432 [tex]m^{2}[/tex]

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