Question

If the area of the square $169c{m}^2$, then the length of its side is

• A. 13cm
• B. 23cm
• C. 33cm
• D. 43cm

Answer 1

The correct option is A

13cm

Area of the square of side 'a' =$a^2$

Given, Area = $169c{m}^2$

$\Rightarrow 169c{m}^2=a^2$

$\Rightarrow a=\sqrt{169}=13cm$