"The perimeter of a square is equal to twice the perimeter of a rectangle of length 8
Channel: Doubtnut
Date: 2020-04-05

"The
 perimeter of a square is equal to twice the perimeter of a rectangle of
 length 8 cm and breadth 7 cm. What is the circumference of a semi-circle
 whose diameter is equal to the side of the square? (rounded off to two
 decimal places)
(a) 23.57
 cm (b) 38.57 cm (c) 42.46 cm
(d) 47.47
 cm (e) None of these"