Question

find the number of digits in the square root of each of the following numbers without any calculations 225, 121 with full explanation​

Answer 1

225 contains 3 digits so 3 is a odd number .

then , we use aa formula = n+1/2

=3+1/2= 4/2.

= 2

225 contains 2 digits in its square root.

121 also contains 3 digits so 3 is a odd number.

then , we use aa formula = n+1/2

=3+1/2= 4/2.

= 2 121 contains 2 digits in its square root.