Question 1110981
The advertisers of a pizza is the length of its diameter.
???
What does that mean?
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 What is the area of the crust of a 12-inch Pizza.
12" dia = 6" radius
{{{Area = pi*r^2}}}
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Know that.
Do not need to ask about it.
You probably know your address and phone #.
Add this to what you know.