A 15-foot ladder leans against a wall and makes an angle of 65° with
the ground. What is the horizontal distance from the wall to the base
of the ladder, to the nearest tenth of a foot?

Check the picture below.

Make sure your calculator is in Degree mode.

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.