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 2 decimal)
(a)
23.57 cm
(b)
38.57 cm
(c)
42.46 cm
(d)
47.47 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 2 decimal)
(a)
23.57 cm
(b)
38.57 cm
(c)
42.46 cm
(d)
47.47 cm
Question ID - 50612 | SaraNextGen Top Answer
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 2 decimal)
(a)
23.57 cm
(b)
38.57 cm
(c)
42.46 cm
(d)
47.47 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 2 decimal) |
|||||||
|
(a) |
23.57 cm |
(b) |
38.57 cm |
(c) |
42.46 cm |
(d) |
47.47 cm |
1 Answer
127 votes
Answer Key / Explanation : (a) -
Perimeter of rectangle = 
cm.
Perimeter of square = 60 cm.
Side of the square = 
cm.
Radius of the semi-circle = 
cm.
Circumference = 
cm.
127 votes
Answer Link
127