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A cow is tied on one corner of a square grass field with a rope of 3 \(m\) long. [Use \(\pi\) \(=\) \(3.14\)]
1. The area the sector is \(m^2\).
2. The area of the sector with a rope of 13 \(m\) long is \(m^2\).
Answer variants:
223.55
24.66
112.67
132.67
17.3
7.065
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