Question

th internal measure of the room are 12 × 8 cm × 8 cm find the total cost of white washing for all four walls of room. if the cost of whitewashing is rupees 5 per metre square .
Please answer me anyone . but by step by step . please answer anyone fast ​

Answer 1

Answer:

the answer is 800 rs

Step-by-step explanation:

The dimensions of room is 12×8×4

The Lateral surface area is 

2h(l+b)

2(4)(12+8)

8×20=160m2

Cost of white wash is 5m2

Total cost is 5×160=800Rs,

HOPE IT HELPS

Answer 2

Answer:

The dimensions of room is 12×8×4

The Lateral surface area is

2h(l+b)

2(4)(12+8)

8×20=160m

2

Cost of white wash is 5m

2

Total cost is 5×160=800Rs,