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Mathematics
Skylar Cantu
1 December, 18:52
What is 2 times pi times r?
pi is 3.14 or 22/7.
What is r?
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Luciano Barrera
1 December, 20:31
0
R is the radius of the circle
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Teagan Mcguire
1 December, 21:54
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"2 times pi times r", which can be written as "2*pi*r", represents the circumference of a circle. This is the distance around the circle (aka perimeter)
r is the radius of the circle
if you know the diameter then you can divide the diameter in half to get the radius (example: diameter is 10 so the radius is 5)
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