please anyone say answer for my question
if you answer I will mark you as brainlist
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Step-by-step explanation:
Question 8
consider the TSA of hemisphere and sphere
take value of one of the radius with respect to other
take the ratio of volume of hemisphere and sphere
put the value obtained of radius in the ratio
simplify the equation
get your answer!
Question 9
from given surface area find radius of both sphere
find the volume of both sphere
subtract volume of smaller sphere from larger sphere
get the volume of material required!
:)
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