Question

please solve this question please
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Answer 1

Answer:

Area covered by roller in one revolution= CSA of roller (cylinder)

radius (r) = 42cm

height (h) = 120cm

CSA= 2πrh

=2*(22/7)*42*120

=31680cm²

Area of ground= 31860*500cm²

=(31860*500)/10000m²

= 1593m²

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Answer 2

Step-by-step explanation:

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