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A cow is grazing in a pasture bordered by two fences more than ten feet long that meet at an angle of 60°. If the cow is tethered by a ten foot rope to the post where the fences meet, it can graze an area of:
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- 20p sq. feet
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50π sq. feet 3 -
5π sq. feet 3 - None of these
- 20p sq. feet
Correct Option: B
| Required region = | × πr² | |
| 360° |
| = | sq. feet | |
| 3 |
