Question

the perimeter of a room is 18 metre if it is 4 m wide find its length and area​

Answer 1

Step-by-step explanation:

l = a / b

l= 18/4

l = 4.5 m

area = l × b

so , 18 × 4

a = 72

i hope it will help you

Answer 2

Step-by-step explanation:

Perimeter=2( width+length)

18 m =2(4 m + length)

18/2 m = 4m+length

9m - 4m = length

length= 5 m

Area =length*width

=4 m * 5 m

= 20 m^2