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OpenStudy (linn99123):
NEED HELP FAST WILL GIVE MEDAL AND FAN A circular piece of metal has a radius of 3.5 meters. The metal sells for $3.25 per square meter. What is the total cost of the circular piece of metal? A. $11.38 B. $38.47 C. $71.44 D. $125.01
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OpenStudy (linn99123):
@jigglypuff314 can u help
jigglypuff314 (jigglypuff314):
area of circle = pi r^2 r = 3.5 so = pi (3.5 ^2) =
jigglypuff314 (jigglypuff314):
then multiply what you get by 3.25 :)
OpenStudy (linn99123):
i got a 60 on my test :/
OpenStudy (anonymous):
Okay so what's the answer?!
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