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The perimeter (in cm) of a square circumscribing a circle of radius a cm, is [AI2011] (a) 8 a (b) 4 a (c) 2 a (d) 16 a

The perimeter (in cm) of a square circumscribing a circle of radius a cm, is [AI2011]
(a) 8 a
(b) 4 a
(c) 2 a
(d) 16 a

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8740 Points
4 months ago
Answer: a Explaination: (a) Side of a square circumscribing a circle of radius a cm = diameter of circle = 2 a cm ∴ Perimeter of the square = 4 × 2a = 8a cm

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