If area of a square is 64 sq cm, then find the area of the circle formed by the same perimeter.

• A. 216/? sq cm
• B. 318/? sq cm
• C. 215/? sq cm
• D. 256/? sq cm

Answer: (D)

Area of square = 64 sq cm (Side)2 = 64 ? Side = ?64 = 8 cmAccording to the question,? 2?r = 4 x 8 ? r = (4 x 8)/2?? r = 16/?? Area of the circle = ? x (16/?) x (16/?) sq cm = 256/? sq cm.