Four circles of equal radii are described about the four corners of a – McqOptions

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1.	Four circles of equal radii are described about the four corners of a square so that each touches two of the other circles. If each side of the square is 140 cm then the area of the space enclosed between the circumference of the circle is (take n = 22/7)
A.	4200 cm2
B.	2100 cm2
C.	7000 cm2
D.	2800 cm2
Answer» B. 2100 cm2

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