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OpenStudy (anonymous):
WILL MEDAL Janine inflated 1 ball to a radius of 18 cm and another ball to a radius of 12 cm. How much more air was in the larger ball? Use 3.14 to approximate pi and express your answer in hundredths. cm3
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OpenStudy (anonymous):
@paki
OpenStudy (anonymous):
@paki i got 393209.64
OpenStudy (anonymous):
@triciaal Help please
OpenStudy (triciaal):
one approach balloon a sphere volume of a sphere 4/3*pi * r^3 find the volume when r = 18 then subtract the volume when r = 12
OpenStudy (triciaal):
*ball
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OpenStudy (anonymous):
i did but i got the difference in air was 393209.64cm^3
OpenStudy (triciaal):
|dw:1431500222471:dw|
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