What is the area of a circle with a diameter of eight

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Question:

What is the area of a circle with a diameter of eight

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Answer:16 pi or approximately 50.24Step-by-step explanation:The area of a circle is given byA = pi r^2 where r is the radiusr = d/2 where d is the diameterr = 8/2 =4So plugging into the equation for the areaA = pi (4)^2A = 16piUsing 3.14 as an approximation for piA = 16*3.14 =50.24

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