A rectangle of length ‘x’ and breadth ‘y’ is inscribed in a semi-circle of fixed radius ‘r’ as shown in the figure given below.
Based on the above information answer the following question:
Maximum area of the Rectangle is:
Answer & explanation
Correct answer: option 3
Area to be maximum ⇒ r2 sin 2θ is maximum
Maximum value of sin2θ = 1 . Maximum Area = r2