A ball is made of a plastic sphere covered with a layer of rubber. The plastic sphere has a radius of 18 in., and the ball itsel f has a radius of 22 in. What is the volume of the rubber layer? Use 3.14 to approximate pi and round the answer to two decimal places.
___ in3
1 answer:
Plastic sphere volume=4/3 times pi times rasius^3 4/3 times 3.14 times 18^3=24416.6 rubber ball whole=4/3 times 3.14 times 22^3=44579.6 subtract 44579.6-24416.6=20163 the answer is 20163 in^3
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