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Geometry  part circle inside another circle?
A farmer attaches a rope to a goats neck and the other end to a post situated on the circumference of a circular field. How long must the rope be such that the goat is only able to eat half the grass in the field? Give your answer as a multiple of the radius (r) of the field and keep your answer exact (no decimal equivalents)Most of you are not reading the question  it is tied to the circumference of the circular field, draw it out if unsure

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