Mathematics · Mensuration
A field roller is in the shape of a cylinder whose diameter is 2.5 metres and length is 5.6 metres. If the roller rolls at a speed of 15 revolutions per minute, find the maximum area (in m2) that it can roll in 45 minutes.
- 125,600 m2
- 221,200 m2
- 329,700 m2✓
- 420,800 m2
Correct answer
29,700 m2
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