Question

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Answer 1

Answer:

circumference =

$2\pi \: r$

$2 \times \frac{22}{7} \times 63$

$44 \times 9$

$396$

Answer 2

2πr ( r = 63cm)

= 2 × 22/7 × 63

= 44 × 9

= 396 is the circumference .