The area of a square  is 225 sq.cm . Find the perimeter 

Asked by kavitabhangade33 | 7th Feb, 2020, 07:38: PM

Expert Answer:

Hint
Area of square = 225 sq. units
Formula of area of a square = side x side
 
Find a number whose square is 225. 
 
Here 15 x 15 = 225
 
So, side - 15 units
 
Perimeter of a square = 4 times side of the square.
Therefore, perimeter = 4*15 = 60 sq.unit

Answered by  | 9th Feb, 2020, 11:55: AM