derekcalhoun8386 derekcalhoun8386

21-02-2018
Mathematics

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The wheel of an engine is of radius 1.5 m. Find the distance covered by it when it made 20 revolutions.

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aimanadlinp4fyje aimanadlinp4fyje

21-02-2018

[tex]circumference \: = 2\pi \: r[/tex]
2 X 3.14 X 1.5m

= 9.42 m for a revolution

9.42 X 20

= 188.4 m for 20 revolutions.

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