Question

8. Find the surface area of a wooden box whose shape is of a cube, and if the edge of the
box is 12 cm.
9. The dimensions of an oil tin are 26 cm 26 cm x 45 cm. Find the area of the tin sheet​

Answer 1

Answer:

8. Hence, The total surface area of wooden box is 864cm².

9. Firstly, we will find the area of tin required for the sheet using the formula of total surface area of cuboid. Converting cm2 into m2. Therefore, the area of the tin sheet required for making 20 oil tins is 120640cm2 and the cost of tin used for 20 oil tins is R.s. 120.64.