8th Class
Mathematics
Mensuration
Question Bank
Mensuration
question_answer
Four circles of radius 1 cm each are placed in such a way on a plane paper that each touches the other. Find the area \[\pi {{r}^{2}}\] of the space left in between the four circles. \[2\pi {{r}^{4}}\]
A)0.82
B)0.84
C)0.86
D)0.88
Correct Answer:
C
Solution :
Shaded area = Area of the square of side 2 cm - Area of the four quadrants of circle of radius 1 cm i.e., Shaded area \[7552{{m}^{2}}\] \[1100{{m}^{2}}\]