Find the square root of:

(i) (ii)

(iii) (iv)

(v) (vi)

(vii) (viii)

(ix) (x)

(xi) (xii)

(xiii) (xiv)

(xv)

Find the greatest number of three digits which is a perfect square.

Find the smallest number which must be added to 2300 so that it becomes a perfect square.

Find the value of:

(i)

(ii)

(iii)

(iv)

(v)

The area of a square field is square metres. Find the length of each side of the field.