Question

The length of a rectangular field is 8 metres is done twice its breadth if the perimeter for the rectangular fail is 56 metres if its length and breadth how much

Answer 1

Answer:

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Answer 2

Answer:

Let length and breadth the field are l and b respectively. Then,

l=2b−8⇒2b=8+l⟶(1)

The perimeter of the rectangular field =56 m

⇒2(l+b)=56m⇒2l+2b=56m

from (1), we get

2l+8+l=56⇒3l=48⇒l=16m

∴ Length of rectangular field =16m

Breadth of rectangular field =

2

16+8

=12m