answersLogoWhite

0

To find the circumference of the nickel, you can use the formula C=πd. Where C is the circumference and d is the diameter. π is a special constant with a value approximately equal to 3.14. Substituting your numbers into the equation gives you C≈3.14(21) or C=65.94 square mm.

User Avatar

Wiki User

16y ago

What else can I help you with?