5 A circle has a radius of 12 in. Find an exact value for each measurement. (Hint: Use arc length formula to find angle) a) an arc length with a central angle of 90°:
b) the area of a sector with a central angle of 90°:​

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

If you make it a little more clear i can answer it