The area of a square park is $64.516$ square metres. Find its side.

Given: The area of a square park is $64.516$ square metres.

To do: To find the length of the side of the park.

Solution:

As given, area of the square park$=64.516$ square metres.

Let $a$ be the side of the park.

$\Rightarrow a^2=64.516$

$\Rightarrow a=\sqrt{64.516}$

$\Rightarrow a=8.032\ m$

Thus, the side of the square park is $8.032\ m$.