Question

The area of the floor of a room is 45m². If the length is 9 m, find the perimeter of the floor​

Answer 1

Answer:

161 m²

Step-by-step explanation:

Area of wall =2[l×h+b×h]

=2h[l+b]

=h[2(l+b)]

=h× perimeter of floor

=3.5×46=161m²

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Answer 2

Answer:

Perimeter= 28m

Step-by-step explanation:

area= l×b

45=9m×b

45/9=b

5m=breadth

therefore, P=2(l+b)

2×(9m+5m)

2×14

=28m ans.

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