elistopchaniuk
03.01.2020 •
English
If the diameter of the circle above is 18 in, what is the circumference of the circle?
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Ответ:
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...
Ответ:
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