anonymous
  • anonymous
What is the perimeter of the polygon with these coordinates: (1,-2) (4,2) (6,2) and (9,-2)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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jdoe0001
  • jdoe0001
\(\textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({\color{red}{ 1}}\quad ,&{\color{blue}{ -2}})\quad % (c,d) &({\color{red}{ 4}}\quad ,&{\color{blue}{ 2}}) \\\hline\\ &({\color{red}{ 4}}\quad ,&{\color{blue}{ 2}})\quad % (c,d) &({\color{red}{ 6}}\quad ,&{\color{blue}{ 2}}) \\\hline\\ &({\color{red}{ 6}}\quad ,&{\color{blue}{ 2}})\quad % (c,d) &({\color{red}{ 9}}\quad ,&{\color{blue}{ -2}}) \\\hline\\ &({\color{red}{ 9}}\quad ,&{\color{blue}{ -2}})\quad % (c,d) &({\color{red}{ 1}}\quad ,&{\color{blue}{ -2}}) \end{array}\qquad % distance value d = \sqrt{({\color{red}{ x_2}}-{\color{red}{ x_1}})^2 + ({\color{blue}{ y_2}}-{\color{blue}{ y_1}})^2}\) get the distance of each segment, add them up, that'd be the perimeter
anonymous
  • anonymous
20 units (unless there's a specific unit of measurement you're using)

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