Mathematics · Mensuration
A circular embankment is constructed with a radius of 40 meters. A second concentric circular embankment is built around the first, with a width of 12 meters. What is the approximate area of the region between the two embankments?
- 12450 m2
- 27860 m2
- 35670 m2
- 43470 m2✓
Correct answer
3470 m2
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