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Question 33 T...

Question

Question 33

The perimeter of a circle and its diameter vary___with each other.

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Solution

The perimeter of a circle and its diameter vary directly with each other.
Perimeter of a circle $= 2 π r$
Diameter of a circle = $2 \times r$
$\Rightarrow$ Perimeter $= π \times$ Diameter $[∵ π$ =constant]

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