Question

7. The perimeter of a rectangular room is
200 m. If the breadth of the room is 40 m.
Find the area of the room.​

Answer 1

Answer:

area=2400m^2

Step-by-step explanation:

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Answer 2

Answer:

2400 m^2

Step-by-step explanation:

perimeter=200m

breadth= 40m

now,

2(l+b)=200

or, l+b =200÷2

or, l+40=100

or, l= 100-40

l=60 m

now,

area of rectangular room=l×b

=60×40

=2400 m^2