Quick math help (Geometry Honors)

[skrishnakumar1]

 

[Deleted member 4993]

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Please show us what you have tried and exactly where you are stuck.

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Please share your work/thoughts about this problem

 

[Dr.Peterson]

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Each of the options calculates a fraction of the area of the whole circle. Which fraction is appropriate?

(The area they want is, of course, the area of the top, not the entire surface area of the piece.)