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## Monday, December 21, 2020

### PI AND BRACELETS

Pi is a factor which is used to calculate the circumference of a circle if you know the diameter or to calculate the diameter if you know the circumference. Pi is approximately 3.14. If you know the diameter, multiply it by 3.14 to get the circumference. If you know the circumference, divide it by 3.14 to get the diameter. Pi was known in ancient times in Babylonia and Egypt. It probably was used to calculate dimensions of circular pieces of land. So, what does pi have to do with bracelets? If you know the diameter of a bracelet, multiply that number by 3.14 to get the circumference of the bracelet or divide the circumference by 3.14 to get the diameter. The diameter is the line that goes straight across a circle and the circumference is the line that goes around the edge of the circle. Remember the diameter should be from the inner surface of the bracelet to get the inner circumference which is what you need to match your wrist. To get the circumference of your wrist (the inner circumference of the bracelet), wrap a string around your wrist, marking with a pen where the wrapped part ends, and then measure the wrapped part. The bracelet shown in the above photo can be purchased at AUTUMN NIGHT BRACELET