Subject :IMO Class : Class 8
Four circles of equal radii are centred at the four vertices of a square. These 4 circles touch a fifth circle of equal radius placed inside the square. The ratio of the shaded area of the circles to the unshaded area of the circles is _____.
A 1 : 3
B 2 : 3
C 3 : 4
D 2 : 5
Ans 1:
Class : Class 8
Correct option:B
Ans 2:
Class : Class 8
B)2:3
Ans 3:
Class : Class 5
What is the solution for this question
Ans 4:
Class : Class 1
Plz tell solution