If i'm wrong plz correct me so i can review

check the picture below.

so the area of the rectangle is x*y.

the area of the triangle is (1/2)(w)(z).

if we subtract the area of the triangle, from the containing rectangle, we're in effect making a whole in the rectangle, as you see there in lower-right corner.

21

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,}