# The perimeter of a square is given by #P=4sqrtA# where A is the area of the square, determine the perimeter of a square with the area 225?

##### 1 Answer

May 23, 2017

#### Explanation:

Note that

So what ever we have to square to get 225 will have 5 as a last digit.

Thus we have:

but to be mathematically correct we should include the units of measurement. AS these are not given in the question we write: