1.

1) A rectangle has the same area as another, whose length is 6 m more and breadthis 4 m less. It has also the same area as the third, whose length is 8 m more andbreadth 5 m less. Find the length and breadth of the original rectangle.​

Answer»

Answer:

l=210 m b=144 m

Step-by-step explanation:

let length = l  m and breadth is bm

area = l*b sqm                            (i)

now length is 6 m more and breadth  is 4 m less.

so length = l+6   and breadth is b -4

area =(  l +6) *(b-4)

       =lb +6b-4l -24                   (II)

WHOSE length is 8 m more and  breadth 5 m less.

so length = l+6 +8   and breadth is b -4 -5

area =(  l +14) *(b-9)

= lb +14 b-9 l -126                     (iii)

area of eq 1, 2 and 3 are equal by solving these eq we get

l=210 m b=144 m

 


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