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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 | Toppr 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

1 Answer - 5876 Votes

3537

Answer Key : (a) -

Perimeter of rectangle = cm.

 

Perimeter of square = 60 cm.

 

Side of the square =  cm.

 

Radius of the semi-circle =  cm.

 

Circumference =  cm.



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