If a polygon has 8 sides it’s an octagon, but how do i know if it’s regular or not? do i see if the sides are equal? please let me know because i’m not so sure

yes if it's normal all the sides are equal hope that helped can i get brainliest if you have time

center= (-2,0)

radius= sqrt2/2

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length