Find Area of Circle

Geometry Level 3

\(AB\) is the diameter of circle centered at \(O\), \(AD\bot OC\), \(\triangle AOE\) and \(\triangle CEB\) have the same area. The length of \(AD\) is \(1\), find the area of the circle.

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Find Area of Circle

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100 Day Summer Challenge

Find Area of Circle

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.