What are the answer options??
This is what it comes out to being as simplified as I could find.
Answer:
r = 2 units
Step-by-step explanation:
Radius of a circle is 1/2 its diameter.
Given the diameter of circle as 4 units ,
radius r = 1/2 x 4
= 4/2
= 2 units
You can comment below, are these supposed to be simply equations or piecewise functions?