solve it..............
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CSA of top =2*CSA of cone
height of cone =5/2cm
radius =7/4cm
l=√r^2+h^2
=√49/16+25/4cm
=√149/4cm
CSA =πrl
=22/7*7/4*√149/2cm^2
=11√149/8cm^2
CSA of top =2*11√149/8=11√149/4cm^2
Total area to be painted =50*11√149/4cm^2
=275√149/2cm^2
Social problem: child labour which is against the law of country people should be educated towards the disadvantages of child labour
height of cone =5/2cm
radius =7/4cm
l=√r^2+h^2
=√49/16+25/4cm
=√149/4cm
CSA =πrl
=22/7*7/4*√149/2cm^2
=11√149/8cm^2
CSA of top =2*11√149/8=11√149/4cm^2
Total area to be painted =50*11√149/4cm^2
=275√149/2cm^2
Social problem: child labour which is against the law of country people should be educated towards the disadvantages of child labour
iamsocool1:
can you solve one more
hmn OK ask
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