D13. A goat is tied by a rope of length r metres to the corner of a square field with sides of length 100 m, as shown in Figure 1.5. Find r if the goat is able to reach exactly half the grass in the field. 100 100 100 r Figure 1.5: Goats in square and circular fields

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D13. A goat is tied by a rope of length r metres to the corner of a square field with sides of
length 100 m, as shown in Figure 1.5. Find r if the goat is able to reach exactly half the
grass in the field.
100
100
100
Figure 1.5: Goats in square and circular fields
Transcribed Image Text:D13. A goat is tied by a rope of length r metres to the corner of a square field with sides of length 100 m, as shown in Figure 1.5. Find r if the goat is able to reach exactly half the grass in the field. 100 100 100 Figure 1.5: Goats in square and circular fields
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