JEE Main 2013 Mathematics question
Not in JEE syllabus
If a circle of unit radius is divided into two parts by an arc of another circle subtending an angle 60° on the circumference of the first circle, then the radius of the arc is:
Answer: (3)
Solution
The common chord subtends 60° at the circumference of the unit circle, so it subtends 120° at its centre and has length . In the second circle the same chord
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account