Question

the perimeter of a square Courtyard is 144 metre find the cost of cementing it @ Rupees 15 per metre square ​

Answer 1

Answer:

19,440 rs

Step-by-step explanation:

the side of square = perimeter/ 4

=144/4=36 m

it's area = (side)^2 = (36)^2=1296 sq m

1 sq.m - 15 rs

1296 sq m - ?

1296×15=19,440 rs