Question

The dimension of Mr Naresh bedroom is 8m x 7m x 5 m it has to Windows each measuring 2m X 1m and one door measuring 3m X 1 m find the cost of whitewashing the room at 50 rupees per square metre

Answer 1

Answer:

Step-by-step explanation:

if he is white washing the whole room it means including the roof and floors...

floor and roof have same dimensions(8×7×2)≈112

WALLS ;8×5×2≈80

            ;7×5×2≈70

80+70+112=262

windows and door=7m²

                                         262-7=255m²

                                 255×50=12750 rupees