Answer:
x=3
Step-by-step explanation:

Step-by-step explanation:
I don't see question 1 and 2.
but it did be way for you : the distance from the verge of a circle to a point on the circle is always the radius.
that is the whole concept of a circle : it is the line (or curve) of all points that have the same, constant distance r from a single point.
Answer:
-1/32
Step-by-step explanation:
3/16 - 7/32
Multiply 3/16 by 2/2 to have a common denominator
(3/16 * 2/2) - 7/32
6/32 - 7/32
-1/32