17-05-2019
Mathematics

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Please help with bothhhhh

Please help with bothhhhh class=

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Shameelah99 Shameelah99

23-05-2019

Answer: Number 10: Choice A

Step-by-step explanation: (3.14)r^2

choice a: 22/2= 11=r

11^2=121(3.14)

=379.94

Choice b: 9/2=4.5

4.5^2= 20.25(3.14)

=63.585

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