Question

Find the approximate value of $\sqrt{1235}$.

• A. $35.15$
• B. $32.19$
• C. $30.25$
• D. $29.13$

Answer 1

The correct option is A $35.15$

${35}^2$ = 1225
${36}^2$ = 1296
In between this two squares, 1235 is placed.
So the average of $\frac{35+36}{2}=35.5$
Then, ${35.5}^2=1260.25$

So $\sqrt{1235}\approx 35.15$