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16. A cow is tied with a rope to one corner of a square field of side 50 m. If thelength of the rope is 14 m, find the area the cow cannot graze.

Answer»

2346.14 sq.m

first you take out the perimeter of square,i.e.,side*side

=50m x 50m

= 2500 sq. m

Now take out the area of the field that the cow can graze,i.e., angle of square/360 x 3.14r2

=900/3600x 3.14 x 14m2

=153.86 sq.m

Now the area that it can't graze = (2500-153.86)sq. m

=2346.14sq.m



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