Jane has to paint a cylindrical column that is $14$ feet high and that has a circular base with a radius of $3$ feet

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by Gmat_mission » Fri Aug 20, 2021 12:09 pm

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Jane has to paint a cylindrical column that is $14$ feet high and that has a circular base with a radius of $3$ feet. If one bucket of paint will cover $10\pi$ square feet, how many full buckets does Jane need to buy in order to paint the column, including the top and bottom?

A. 9
B. 10
C. 11
D. 12
E. 13

Answer: C

Source: Manhattan GMAT

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Source: Beat The GMAT — Problem Solving | Fri Aug 20, 2021 12:09 pm

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