Question

A school auditorium is 50m long and 30 m wide. this auditorium is surronded by a verandah 5 m wide on the outside of it. find the area of the verandahd?. If tiles of 50 cm * 50 cm are fixed on the verandah, how many tiles will be require

Answer 1

We have, dimensions of room l=50 b=30 and width of verandah w=5. Required area= total area - room area=(l+2w)(b+2w)-lb=900. We have to lay 1 tile in 1/4 square metre i.e. 4 tiles in one square metre. Hence, we need 3600 tiles for 900 square metres.