Question

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 rhe surface of the field on which it will not be able to graze

Answer 1

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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Answer 2

Answer:

surface area in which goat not graze=area of rectangle- area of circle

1. =l*b-πr*r
2. 22m*14.5m-3.142*2.5m*2.5m
3. 319m*m-19.6375m*m
4. 299.3625m*m