The seventh-grade class is building target areas for a PE activity. The bases for the game will be in a circular shape. The diameter of each circle is 6 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth.
7.5 square feet 9.4 square feet 18.9 square feet 28.3 square feet
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OpenStudy (anonymous):
@dlearner need help
OpenStudy (anonymous):
hmm.... you need to find the circumference
OpenStudy (pinklion23):
i think i know
OpenStudy (anonymous):
kk
OpenStudy (anonymous):
tell me @pinklion23
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OpenStudy (pinklion23):
okay so 6 is the diameter so you need the area
OpenStudy (pinklion23):
A=πr^2
OpenStudy (pinklion23):
oops \[A=\pi*r\]
OpenStudy (pinklion23):
so r*r*pi=A omg this computer im telling you
OpenStudy (anonymous):
lol so whats the answer
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OpenStudy (pinklion23):
how many circles are there?
OpenStudy (anonymous):
idk
OpenStudy (pinklion23):
well that is not helpful cuz one circle is about 28.27
OpenStudy (pinklion23):
sp id say D
OpenStudy (anonymous):
oh ya
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