Paper paper everywhere

Level pending

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.

Excel in math and science

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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, interactive explorations.

Used and loved by over 5 million people

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

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

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