find the circumferences of the circle whose radii are 13 cm ?
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CIRCUMFERENCE OF CIRCLE =
![2\pi \: r 2\pi \: r](https://tex.z-dn.net/?f=2%5Cpi+%5C%3A+r)
![2 \times \frac{22}{7} \times 13 2 \times \frac{22}{7} \times 13](https://tex.z-dn.net/?f=2+%5Ctimes++%5Cfrac%7B22%7D%7B7%7D++%5Ctimes+13)
81.74 cm
81.74 cm
lokendra41:
thank you
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