find the total surface area of cone of radius 2x and slant height y/2
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Answer:
Y=length.
mark as brailiant answer........
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Step-by-step explanation:
we know that,the total surface area of cone is
=πr(r+l)unit square
now;22/7×2x(2x+y/2)
=44x/7(4x+y/2)
=22x/7×4x+y
=88x²/7+22xy/7unit square
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