What’s is the perimeter of a rectangle (-5,4) (0,3) (4,-1) (4,-5) (2,-3) (-2,1)

Answer 1

They form a trapezoid:

(-5,4), (-2,1), (2,-3), (4,-5) are on the same y = -x-1.

(0,3) and (4,-1) are on y = -x+3.

Since the points are easy to plot, use the formula for hypotenuse (Pythagorean Theorem) to sum up the sides.

Here is the plot:

https://www.linkpicture.com/q/Plot.jpg

[ plotted with math10.com ]

Answer 2

These points don't form a rectangle.