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Earn +20 ptsQ: If music CD is 2.5 inches in radius what is circumference?
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What is the circumference of a radius of 25in?
Circumference of a circle = 2*pi*radius Circumference = 2*pi*25 =157.0796327 inches or 157 inches correct to three significant figures.
If the radius equals 25 in using 3.14 for pie what is the circumference?
Circumference = 2*pi*r Circumference = 2*3.14*25 => 157 inches
What is the circumference of a circle if radius is 25?
The circumference of a circle if radius is 25 is about 157.1
What is radius if circumference is 25 feet?
Radius = Circumference/(2*pi) = 3.979 feet (approx)
How do you find the circumference if the radius is 25?
Circumference = 2 * radius * pi So: 25(2) = 50 50 pi or about 157.1
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