A goat is kept in a rectangular field 14.5m by 22m. it is tied to a pole at the centre of the field with a chain that is 2.5m long .what is the surface of the field which it will not be able to graze ?
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Answer:
area of rectangular field = 14.5 × 22=319 m2
length of chain (radius of circle) = 2.5 m
so area of circle which goat graze= pie × r× r
= 3.14 × 2.5× 2.5 =19.625 m2
so area that goat will not able to graze
= 319 - 19.625 = 299.375 m2
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