Question

Estimate the value of $\sqrt{750}$.

• A. 24.3
• B. 25.1
• C. 23.2
• D. 27.3

Answer 1

The correct option is D 27.3

${27}^2$ = 729
${28}^2$ = 784
In between this two squares, 750 is placed.
So average of $\frac{27+28}{2}=27.5$
Then, ${27.5}^2=756.25$
So, $\sqrt{750}\approx 27.3$