Question

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

Answer 1

Answer:

20m²

Step-by-step explanation:

We know that,

perimeter of room = 2(L+B)

18 = 2(L+8)

18 = 2L+8

2L = 10

L = 10/5m²

L = 5m²

So, area of room

length×width

5m×4m

20m²

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Answer 2

Answer:

it's 20sq.m

Step-by-step explanation:

formula of how to find length of a rectangle from its perimeter of length is given : (perimeter / 2) - breadth

length = 5m

area = length × breadth

area = 4×5 sq.m

= 20 sq.m