Question

The perimeter of rectangle is 28 cm .If the length is 5/2 times its breadth, find the length and breadth of the rectangle.

Answer 1

Answer:

b=4;l=10

Step-by-step explanation:

perimeter=2(l+b)

let length be 5/2b

28=2(5/2b+b)

28=5b+2b

28=7b

b=4

therefore l=5/2*4

=10

Answer 2

Answer:

b=4;l=10

Step-by-step explanation:

perimeter=2(l+b)

let length be 5/2b  

28=2(5/2b+b)  

28=5b+2b  

28=7b  

b=4

therefore l=5/2*4

=10  

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