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Sagot :
The circumference is 150.72 millimeters and the area is 1808.64 square millimeters
What is the diameter of the coin?
The radius of the coin is given as
r = 12 millimeters
The diameter of the coin is calculated as
Diameter = 2 * r
So, we have
Diameter = 2 * 12 millimeters
Evaluate
Diameter = 24 millimeters
What is the circumference of the coin?
The circumference of the coin is calculated as
C = 2πr
So, we have
C = 2 * 3.14 * 24
Evaluate
C = 150.72 millimeters
What is the area of the coin?
The area of the coin is calculated as
A = πr²
So, we have
A = 3.14 * 24²
Evaluate
A = 1808.64 square millimeters
Hence, the circumference is 150.72 millimeters and the area is 1808.64 square millimeters
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