Question

Circumfarence of circle​

Answer 1

Answer:

2πr

π = 3.14= 22/7

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Answer 2

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Circumference of circle is perimeter of circle. Perimter is when you are calculating something's outline ( and area us when you are calculating the complete area of something)

To find circumference of circle, we use the formula πr², where value of π is 22/7 or 3.14 and r represents the radius of circle.

Example:-

Find the circumference of circle with radius 5cm

$= \frac{22}{7} \times {5}^{2} \\ \\ = \frac{22}{7} \times 10 \\ \\ = \frac{220}{7} = 31.42cm$

So circumference is 31.42 cm

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