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A roll of paper 60 cm in diameter and paper is wound on a wooden cylinder of diameter 4 cm. If the paper is 0.008 cm thick, what length of paper (in km) will be rolled? If the length of paper is 1.37459 km then select the option 1.37 and likewise.

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100 Day Summer Challenge

Paper paper everywhere

Excel in math and science

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Courses

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Community

100 Day Summer Challenge

Paper paper everywhere

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.