Can you explain it clear?
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OK I can explain it clearly later
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Step-by-step explanation:
area of rectangle= 70*52=3640 sq.m
the horse is tied and hence can move in a circle but only a quarter of that circle is in the given field
therefore, the area in which the horse can graze= π*21*21/4 = 346.5 sq.m
the area which is left ungrazed = 3640-346.5= 3293.5 sq.m
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