Math, asked by SaiPremanvitha, 2 months ago

14. Find the area covered by a roller of
diameter 2.1 m and length 4 m in
one revolution.​

Answers

Answered by idiot2006
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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