SOLUTION: I have a problem trying to figure this out backward, can you explain this to me clearly step by step. Since my textbook did not explain how to do it backward. I already know how

Question 81587: I have a problem trying to figure this out backward, can you explain this
to me clearly step by step. Since my textbook did not explain how to do it
backward. I already know how to do it from the beginning to the end. I am
unable to do it backward from the end to the beginning. Explain step by
step which I would greatly appericated. These formula is what I need:
radius Diameter circumference area
? ? ? 243cm squared
radius Diameter circumference area
? ? 54cm ?

radius Diameter circumference area
? 9 ? ?

Answer by vertciel(183) (Show Source): You can put this solution on YOUR website!
Hello there,
Thanks for your question. Could you please clarify what you mean by the numbers?
Do you need help in solving for the area of the circle or the circumference?

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