Esther knows octagon OPQRSTUV has 8 congruent angles. How can she determine wether the octagon has 8 congruent sides without using a ruler?

here is your mark brainliest

what "following statement"?

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}