The circumference of a circle is given by the formula C = 2πr. Find r if the circumference C is 44 meters and?
Please help! The circumference of a circle is given by the formula C = 2πr. Find r if the circumference C is 44 meters and π is 22/7.
Update:This is copied directly from my homework it's nothing someone told me.
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2pir = 44
radius = 44/2 x3.14 = 7 meters
As radius is half of diameter, r = d/2 where d is diameter of the circle now within the method C = 2πr we can put d/2 at the location of r due to the fact r=d/2 now formula becomes C = 2π(d/2) = 2 * 22/7 * 28 = 132 inches i've defined in the simplest approach i can..