Using the distance between the two points, it is found that Fiona threw the stick a distance of 13.6 units.
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Distance between two points:
The distance between points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] is given by:
[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
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[tex]D = \sqrt{(-1 - 7)^2+(10-(-1))^2}[/tex]
[tex]D = \sqrt{(-8)^2 + (11)^2}[/tex]
[tex]D = \sqrt{185}[/tex]
[tex]D = 13.6[/tex]
Fiona threw the stick a distance of 13.6 units.
A similar problem is given at https://brainly.com/question/14848776