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25 votes
Please help I don't understand this

Please help I don't understand this-example-1
User Mariana
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1 Answer

7 votes
3r^2 = 3 x r^2 = 3 x 1/6^2 = 3 x 1/36 = 3/36 = 1/12

Answer:
1/12
User Adrian Romanelli
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