A large hollow rectangular box has a perfectly circular hole cut in the top. The hole radius is 1 meter. A spherical ball is placed over the hole such that 25% of its volume resides within the box. Determine the radius of the ball (in meters).

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.

Your answer seems reasonable.
Find out if you're right!