Question

find the cost of the white washing near room of dimension 6 metre into 4.8 metre into 4.2 metre(including the ceiling) rupees 25 per metre square ​

Answer 1

Answer:  rs 3528

Step-by-step explanation

The CSA of the is height 6m and length 4.8m and breath 4.2m

CSA of the room is lbh

                   =4.8*6*4.2

                   =120.96m

the perimeter of the celing is 4.8*4.2

                     =20.16m

the csa+the perimeter of the ceiling=20.16+120.96

                     =141.12

the cost painting =141.12*25

             =rs 3528