A goat is tethered to a stake at the edge of a circular field with radius 1 unit. Use a computer or graphing calculator to determine how long the goat's rope should be so that the goat can graze over half of the field.
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The solution is attached below in two files. the files are identical in content, only differ in format. The first is in MS Word XP Format, ...
The length of rope that allows a goat to graze half of a circular field is calculated. The solution is detailed and well presented. Diagrams are also provided.