airelle146
22.10.2019 •
Mathematics
Which of the following is proper notation to describe the set of all letters in the alphabet?
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Ответ:
The second one because it is true that half of the diameter is the radius.
The forth one because is you do 2 x pi x 31.4 = 197.29 divide that by pi and you get 62.8 pi.
The only reason it is not the third one is because it does not have the step to divide 197.29 by pi.
Hope this Helps!!