1.

the perimeter of a rectangle is 40cm and its breadth is 4cm less than the length. compute the length and breadth?

Answer»

ANSWER:

Let LENGTH of the rectangle= x

breadth of the rectangle = x-4

perimeter of the rectangle = 40cm

p = 2x l+b

p = 2 x x+x-4

p = 2 x 2x-4

p = 4x-8

4x-8 = 40

4x = 40+8

4x = 48

x = 48/4

x = 12

length = 12

breadth = x-4

= 12-4

= 8

breadth = 8


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