Question

Find the distance covered by a roller
of diameter 2.1 m and length 4 m in
1 revolution.​

Answer 1

Distance = CSA of cyc. Roller *no. of rev.

$2 \times \frac{22}{7} \times \frac{2.1}{2} \times 4 \\ = 26.4 \times 1 \\ = 26.4 \: {m}^{2}$

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Answer 2

Answer:

Step-by-step explanation:

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