All you do is measure it with a ruler and for every 1 cm you get multiply it by 8.5ft.
so for example if you got 6cm then you would multiply it by 8.5ft and your answer would be 51ft.
Answer:
there is a box in the middle and lines( which can be called whiskers) on the side
Step-by-step explanation:
lower quartile, upper quartile, and median make the box. Least and greates value make the whiskers
Wikipedia:
In addition to the box on a box plot, there can be lines (which are called whiskers) extending from the box indicating variability outside the upper and lower quartiles, thus, the plot is also termed as the box-and-whisker plot and the box-and-whisker diagram.