Circumference of a circle = 2&pi;r.<br>
Take &pi; = \( \frac{22}{7} \), r = 42 cm.<br><br>
C = 2 &times; \( \frac{22}{7} \) &times; 42<br>
= 2 &times; 22 &times; 6<br>
= 264 cm.<br><br>
Final Answer: 264 cm