Explanation: The greatest number is the last stem and the last leaf on the chart. In this case, the largest number is 35. To find the range, subtract the smallest number from the largest number. This difference will give you the range.
I'm kinda guessing but I think it's 4.5 square feet because each triangle has 108 inches of area when you multiply by 6 you get 648 then from there you turn that into square feet