Question

The perimeter of a room is 18m. It is 4m wide. Find its length and breath

Answer 1

Answer:

• The length of room is
• $18 \div 4 = 4.5$
• The breath of room is also given = 4m

.

Answer 2

Answer:

perimeter of room=18m , wide =4m

To find length and breadth

Let length(l)and wide(breadth)

2 (l+b)=18

2(l+4)=18

l+4=9

l=9-4 = 5m

Now length =5m

breadth=5×4=20m