Question

The length of a rectangular floor is 20 m, more than its breadth. If the perimeter of the floor
11.
is 280 m, what is its length?
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Answer 1

Answer:

length is 80cm

Step-by-step explanation:

Let the breadth be x cm

Length= x+20

Perimeter of rectangular floor= 2(length+breadth)

280= 2[x + (x+20)]

2 × 2x+ 20= 280

2x+20= 280/2=140

2x= 140-20=120

x= 120/2

x= 60cm

Length= x+20

=60+20=80cm

Hope it helps