Question

please mates answer this question
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Answer 1

Slant height of each cone (l)=(1)2+(0.2)2−−−−−−−−−−√ m

=1.04−−−−√m=1.02m

∴ Area to be painted for 50 hollow cones

=50×πrl

=(50×3.14×0.2×1.02)m2

=32.028 m2

Cost of painting =₹ 12×32.028

=₹ 384.34 approx..

Answer 2

Answer:

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