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Ratio of the circumference of a circle to its diameter is denoted by symbol ______. - Mathematics

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Question

Ratio of the circumference of a circle to its diameter is denoted by symbol ______.

Fill in the Blanks

Solution

Ratio of the circumference of a circle to its diameter is denoted by symbol π.

Explanation:

∵ Circumference = 2 πr

⇒  C = πd  ......[∵ d = 2r]

⇒ `C/d` = π

⇒ π = C:d

Hence, π is the answer.

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Chapter 9: Perimeter and Area - Exercise [Page 276]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 9 Perimeter and Area
Exercise | Q 45. | Page 276

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