Question

What is the perimeter, in units, of polygon PQRSTU? Enter your answer in the box.y5oР3Rs1oХ531113.5T3.-5

Answer 1

Given two points (x1, y1) and (x2, y2) on the Cartesian plane, then the distance, d, between the two points is given by

`\begin{gathered} d=y_2-y_1,\text{ if }x_1=x_2 \\ \text{ OR} \\ d=x_2-x_1,\text{ if }_{}y_1=y_2_{} \end{gathered}`

For the points (-1, 1) and (1, 1)