Help again...
and please, I need also the step by step or explanation of how to do it.. I’m bad at this topic

A: 25.12 (26 if your rounding)

B: You have to multiply R by 2 then by pi (3.14)

C: 10.5 (11 if your rounding)

Step-by-step explanation:

For a: A circle's circumference is its diameter multiplied by pi (3.14) To get the diameter you would multiple the radius by 2. Therefore your answer being 25.12 (Round to 26 if you want)

For c: Divide 65 by pi then that answer by two.

believe it or not anna is correct good job anna give me a fist bump there u go gal

you divide them and then you get the answer i took this class this year

step-by-step explanation: