Answer:
2 units
Step-by-step explanation:
The given equation of the circle is:

The general equation of the circle is:

Comparing the given equation with the general equation we can say:
g = 4
f = -3
c = 21
The formula for radius of the circle is:

Using these values of the given circle, we get:

Therefore, the length of radius of the given circle is 2.
The perimeter of parallelogram WXYZ is 22
The length of the line segment is 3.
Hope this helps!
Answer:
who is that? Maybe i know this person...
Step-by-step explanation:
12 is composite number. 12=1x12 and many more but. Try 1,2,3,4,6