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10
Tree project
By Grace and Amy
Estimate of 2 Trees
We took the circumference of two different trees in our compound.
Tree #1 = 61 cm
Tree #2 = 121 cm
Scatterplot & Trendline
We took the difference of the first three trees between the circumference in the height. The average of the difference was 9.45.
Then, we took the circumferences of the two trees and multiplied it with 9.45. Here are our results.
Tree #1 = 14m
Tree #2 = 11m
We calculated all of the measurements for 15 trees and converted them into inches. This is the scatterplot between circumference and the BTP of the trees.
How we calculated the BTPs
We used the equation C + H + S/4= BTP
to calculate the BTP of our 15 trees. We first changed all of the measurements to inches.
Here is the list of all the BTPs:
How close we were
Other information
We calculated the actual heights of both trees using the equation (tan of angle = h/3)
Tree #1 - 8.2 m
Tree #2 - 17 m
(NOTE: We got 90˚ on Tree #2 and we somehow got negative results. Therefore, Tree #2 's results may be incorrect.)
We were kind of close with Tree #2 as we got 11m instead of 17m. For Tree #1, we didn't get that close results either, because we didn't really understand how to calculate the height through the circumference.