Perpendicular Is The Key

Geometry Level 1

Let \(P, A\) and \( B\) be three distinct points on the circumference of a circle with radius of 5 units. The segments \(PA\) and \(PB\) are perpendiculars. What is the value of \(PA^2 + PB^2 ?\)

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Perpendicular Is The Key

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100 Day Summer Challenge

Perpendicular Is The Key

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.