Find the length of the circle if its radius is 42 cm.

1. The circumference C is found by the formula C = 2 * π * R,

where π is the number of pi, equal to 3.14; R is the radius of the circle.

2. Substitute the value of the radius of the circle in the above formula.

C = 2 * 3.14 * 42 = 263.76 cm;

Answer: The circumference with a radius of 42 cm is 263.76 cm.

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