Question

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

Answer 1

Answer:

Length = 5 mtr

Area = 20 mtrsqr

Step-by-step explanation:

Given

Perimeter = 18 mtr

Width = 4 m

Perimeter = 2(Length + width)

18 = 2(length + 4)

9 -4 = length

length = 5 m

Now Area's  calculation

Area = length * Width

Area = 5 * 4

Area = 20 m