Question

A square board has an area of $144squareunits.$ How long is each side of the board $?$

• A. $11units$
• B. $12units$
• C. $13units$
• D. $14units$

Answer 1

The correct option is B

$12units$

Finding the side of square:

We know that area of square$=$side $\times$side

$$\begin{gathered} \Rightarrow S^2=144 \\ \Rightarrow S=\sqrt{144} \\ \Rightarrow S=12units \end{gathered}$$

Hence , the side of square is $12units$.