3. The diagram on the right shows the pattern drawn on a Cartesian plane. The final line on the plan is parallel to the y-axis and passes through x = -10. Find the sum of the length of the overall pattern.

The sum of the length of the overall pattern in the given cartesian coordinate is calculated as; 44
We are told that The final line on the plan is parallel to the y-axis and passes through x = -10
Now, looking at the pattern, the lengths of each side are as follows;
1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5
Thus, the sum of the length of the overall pattern is calculated as;
1.5 + 2 + 2.5 + 3 + 3.5 + 4 + 4.5 + 5 + 5.5 + 6 + 6.5 = 44
Therefore we can conclude from all the deductions and calculations above that the sum of the length of the overall pattern in the given cartesian coordinate is calculated to be; 44
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