Respuesta :
Hello! The correct answer is: [tex]\boxed{ \bf C) r=d/2}[/tex] _____________________________
The radius of a circle is half the diameter. In other words, if you divide the diameter by 2, you get the radius. Thus, the correct answer is option C).
Hey!
Diameter is ½ of the radius. To find the radius when you have the diameter, divide by 2.
For example, if the diameter is 12, the the radius would be:
[tex] 12 \div 2 = 6 [/tex]
That means your answer will be C.
[tex] \framebox{Answer is C) r = d/2} [/tex]