14. Find the area covered by a roller of
diameter 2.1 m and length 4 m in
one revolution.
Answers
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4
Answer:
∵ The CSA itself equals one revolution , the area
covered is 27.376 m²
Step-by-step explanation:
Radius = 1.05 m
Height = 4 m
CSA = 2πrh
= 2 × 3.14 × 1.05 m × 4 m
= 6.28 × 4.2 m²
= 27.376 m²
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