Question

Draw and name the polygon formed by the points (-7,0) (0,7) (0,-1) and (-7,-1)

Answer 1

(n-2)*180

(5-2)*180

3*180

540

y^2 - x^2/   y ^1 - x^ 1

x1 y1 / x2 y2

-7 0 / 0 7