Question

Find the square root of the following numbers by repeated subtraction c)225​

Answer 1

$225−1=224 \\ 224−3=221 \\ 221−5=216 \\ 216−7=209 \\ 209−9=200 \\ 200−11=189 \\ 189−13=176 \\ 176−15=161 \\ 161−17=144 \\ 144−19=125 \\ 125−21=104 \\ 104−23=81 \\ 81−25=56 \\ 56−27=29 \\ 29−29=0 \\ Total \: steps \: of=15 \: hence \: 225=15$