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:
which letter mate I didn't understand
Answer:
I can't remember the story well but I think he was annoyed
Explanation:
If the road is nearly empty, there wouldn’t be any traffic at all so I would say when the road is full of cars there is more racket :)
