Zachary attaches his A+test to the refrigerator with a circular magnet. Out of curiosity, he measures the magnet and calculates that it has a diameter of 4 centimeters. What is the magnet's circumference

Solution

Zachary attaches his A+ test to the refrigerator with a circular magnet. Out of curiosity, he measures the magnet and calculates that it has a diameter of 4 centimeters. What is the magnet's circumference

Solution

c i rc u m f ere n ce : 4 π c m

Decimal Notation

12.56637 \dots

Solution steps

Given:

d iam e t er : 4 c m

Circle circumference given

d = 4 : C = 4 π

c i rc u m f ere n ce : 4 π c m

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