1.

the length of a rectangular field is 8 M less than twice its breadth if the perimeter of the rectangle field is 56 metres find its length and breadth

Answer»

Let the Breadth be a

LENGTH = 2a - 8

Perimeter = 2 ( Length + Breadth)

=> 56 = 2 ( a + 2a - 8)

=> 28 = 3a - 8

=> 3a = 36

=> a = 12

Breadth = 12 cm

Length = 2(12) - 8 = 16 cm


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