Question

the perimeter of a square Courtyard is 144 find the cost of cementing at it rate of rupees 15 per metre square ​

Answer 1

Answer:

perimeter of square=4*side

4*side=144

side=144/4

side=38.........(1)

area of square=side*side

area=38*38

area=1444 m^2

• cost of 1m^2 area=rs15
• cost of 1444m^2 area=15*1444
• answer is rs21,660