Question

The perimeter of a square having an area 16 $c{m}^2$ will be:

• A. 16cm
• B. 8cm
• C. 12cm
• D. 4cm

Answer 1

The correct option is A 16cm

Area of a square = Side $\times$ Side
$\Rightarrow$ Side $\times$ Side = 16 $c{m}^2$

When we look at the factors of 16 ,
16 = 16 $\times$ 1
16 = 8 $\times$ 2
16 = 4 $\times$ 4
Here, we can see that side of the area should be 4 cm long.
$\Rightarrow$ Side = 4 cm
Perimeter of the square = 4 $\times$ 4 cm = 16 cm