aswer is decreased by50% i just want explanation
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Answer:
Decrease by 50 %
Step-by-step explanation:
as Lateral surface is same as it was before
that is 2πrh --- (1)
So, if the radius is doubled than
the lateral surface area will become 2π2rh --- (2)
Equalise both the equation (1) and (2)
=> 2πrh = 2π2rh
=> 2πrh/2π2r = h
=> h = h/2
So from this we come to know that height becomes half. That is 50 %.
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Answer:
height will be reduced to 50%
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