Question

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

Answer 1

Answer:

Perimeter = 2(l+b)

=》 18 = 2(l+4)

=》18 = 2l + 8

=》 18 -8 = 2l

=》 10 = 2l

=》 l = 10/2 = 5m

Area = l × b

= 4× 5 m

= 20 m square

Step-by-step explanation:

Hope this will help you

Answer 2

Answer:

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Perimeter of a room= 2 (I+ b)

18= 2 (I+ 4)

9 = l+4

9-4 = 5m.

Area of the room = l x b

= 5 x 4

20 m^2

Step-by-step explanation:

hope it's helpful