if the circle has a diameter of 25.2, its radius is half that or 12.6.

I'd say centimeters, if that's what you're looking for. Maybe 1-2 cm.
Answer:
sir please give the exact question
Step-by-step explanation:
That what we have to do with these three lines..
Answer:
4r ^2 +9r + 12
Step-by-step explanation:
Hope this helps! :)
Answer:
-12.6
Step-by-step explanation: