please help me with this question
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i dont fbfbfbfbbfrfbfbfb
PriyankaMathan:
sorry by mistake
it's ok
u can solve it by applying the formula of hollow cylinder
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height=h=24 cm
slant height=l=25 cm
By Pythagoras theorem
we get radius=r=7cm
Total surface area of cone=πr(l+r)
=22/7×7(25+7)
=704 cm^2.
Total surface area of two cones=2*704
=1408 cm^2
slant height=l=25 cm
By Pythagoras theorem
we get radius=r=7cm
Total surface area of cone=πr(l+r)
=22/7×7(25+7)
=704 cm^2.
Total surface area of two cones=2*704
=1408 cm^2
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