cube has surface area 486 cm?. What is its side length?
(2 marks)
(2 marks)
5. A room has a rectangular floor 6.5 m long and 4.5 m wide.
The room is 3.5 m in height.
(i) What is the area of wall space in the room?
(ii)How much paint is required to paint the walls with two coats,
if 1 Liter of paint can cover 11.5 m??