Four circular coins of equal radius are placed with their centers coin – McqOptions

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1.	Four circular coins of equal radius are placed with their centers coinciding with four vertices of a square. Each coin touches two other coins. If the uncovered area of the square is 42 cm2, then what is the radius of each coin? (Assume π = 22/7)
A.	5 cm
B.	7 cm
C.	10 cm
D.	14 cm
Answer» C. 10 cm

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