Question

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

Answer 1

@paki

Answer 2

@paki i got 393209.64

Answer 3

@triciaal Help please

Answer 4

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

Answer 5

*ball

Answer 6

i did but i got the difference in air was 393209.64cm^3