Question

Cour cows are tethered at four corners of a square field of 70 m side as shown in given
figure so that they can reach each other. What area of the field will remain ungrazed?
70 m​

Answer 1

Area of the field =

.

= 4900 sq.m

A/Q

4 cows are at 4 corners so that they can meet eachother

if they come diagonally

Hence,

diagonals of the field will be formed,

where each diagonal is =

.

= 2 x 8.36

= 16.72 m

remaining land = 4900 - (16.72 + 16.72)

= 4866.56

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