Formula of circle:
C= 2πr
The radius is half of the diameter, so divide 9 by 2
18/2=9
Then plug in 9 as the radius in the formula.
C= 2π(9)
Using you calculator multiply 2 by the symbol "π" and 9
Exact Form is 18π
Decimal Form is 56.54866776...
Answer:
This metaphor basically means that if certain problems cannot be changed, look outside the box when you try to solve them. Try to solve the atmosphere or try to solve everything around the problem. If the problem can't be solved change the situation around the problem and eventually your solutions will be solved
Explanation:
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Hope this helps (:
