Question

12. A room is of 15 m long, 10 m wide and 8 m deep. Find the cost of inner
< surface colouring at Rs 2 per sq. m. ?​

Answer 1

Answer:

Step-by-step explanation:

length= 15m

breadth= 10m

height/depth = 8m

Curved Surface Area of cuboid = 2(L+B)h

Putting the values

2(15+10)8

16(25)

400m square

Cost of colouring per square m= Rs.2

Cost of coloring 400 metre square = 2(400)

                                                           = Rs.800