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OpenStudy (anonymous):
What is the area, to the nearest tenth, of a circular rug, whose diameter is 3 feet? Use 3.14 for pi. A. 4.7 square feet B. 7.1 square feet C. 9.4 square feet D. 18.8 square feet
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OpenStudy (jdoe0001):
|dw:1393618233454:dw|
OpenStudy (anonymous):
so 3.14 divided by 2?
OpenStudy (anonymous):
use the formula A = pi*r^2
OpenStudy (anonymous):
the radius is half the diameter
OpenStudy (anonymous):
i got 12.56
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OpenStudy (anonymous):
Half of 3 is 1.5 sooo Radius=1.5|dw:1393617885181:dw|
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