Given
The coordinates of the points on the path are:
P(20,7), R(-4,-9), O(20, -9), S(-4, -24)
The total length of the path from P to S is:
[tex]=\text{ \mid PR\mid}+|RO|\text{ +}|OS|[/tex]The distance d between two points can be found using the formula:
[tex]d\text{ = }\sqrt{(x_2-x_1)^2\text{ +}(y_2\text{ -y}_1)^2\text{ }}[/tex]The distance between P and R:
[tex]\begin{gathered} |PR|\text{ = }\sqrt{(-4-20)^2\text{ +}(-9\text{ -7\rparen}^2} \\ =\text{ 28.84 units} \end{gathered}[/tex]The distance between R and O:
[tex]\begin{gathered} |RO|\text{ = }\sqrt{(20-(-4))^2\text{ + \lparen-9-\lparen-9\rparen\rparen}^2} \\ =\text{ 24 units} \end{gathered}[/tex]The distance between O and S:
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