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 10 \(m\) long is 
 \(m^2\).
Answer variants:
169.38
17.3
58.5
78.5
7.065
24.66