RMO 2001; Part - 1

Geometry Level 3

In \(\Delta ABC\), \(D\) is a point on \(BC\) such that \(AD\) is the internal angle bisector of \(\angle A\). Suppose \( \angle B = 2 \angle C\) & \( CD = AB \), then find the measure of \(\angle A\) in degrees.

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 6 million people

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

RMO 2001; Part - 1

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 6 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.