The perimeter of a square is equal to twice the perimeter of a rectan…

Question

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 tw…

Accepted Answer

Option A. 23.57 cm. Answer & Solution Answer: Option A Solution: Perimeter of rectangle : & = [ 2 ( 8 + 7 )cm ] & = 30\,cm Perimeter of square : & = ( 2 × 30 )cm & = 60\,cm Side of the square : & = ( 604 )cm & = 15\,cm Radius of the semi-circle = ( 152 )cm ∴ Circumference : & = ( 227 × 152 )cm & =…

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)

Solution