Question

If an isosceles triangle of vertical angle $2\theta$ is inscribed in a circle of radius a. Then, area of the triangle is maximum, when $\theta$ is equal to

• A. $\frac{\pi }{6}$
• B. $\frac{\pi }{4}$
• C. $\frac{\pi }{3}$
• D. $\frac{\pi }{2}$

Answer 1

The correct option is A $\frac{\pi }{6}$