An arc of the circle below has a length of 3 units. If the circle it comes from has a radius of 8 units, what is the measure of the central angle associated with the arc?
(Sorry about the slight cutoff in the picture - it says the same thing)
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Cations are the atoms or molecules which have lost one or more electrons giving a net posture charge on the atom or molecule. ... Therefore, because of this loss of electron in forming a cation, the size of the cation is smaller than its parent atom
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