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Question
A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle
Options:
A .  [r (π + 0.25)]/(π - 0.5)
B .  [r (π - 0.5)]/(π + 0.25)
C .  [r (π - 0.25)]/(π - 0.5)
D .  [r (π + 0.25)]/(π + 0.5)
Answer: Option C

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