You don't have to use a formula, all you have to do is use basic algebra to modify the equation in front of you. Simply divide both sides by 2pi and you will end up with C/2pi = r. Then, just type it into your calculator and you're good to go!
The square root of 16 is rational.
Symmetric property, I remembered the answer for this for my summer school. This is one of the equivalence properties of equality.
Answer:
8/10
Step-by-step explanation:
You would divide the cards and so you will get your answer
uhm the answer is D. sorry if am wrong