Question

The perimeter of a rectangle is 40m. The length of the rectangle is 4m less than 5 times its breadth. Find the length and the breadth.

Answer 1

Answer:

length of rectangle=16m

breadth of rectangle=4m

Step-by-step explanation:

given, perimeter of rectangle=40m

let, breadth of rectangle=x m

and length of rectangle =5x-4 m

now,

perimeter of rectangle =2 (l+b)

=> 40 = 2 (5x-4+x)

=>20=5x-4+x

=>20=6x-4

=>6x=20+4

=>6x=24

=>x=4

so, breadth of rectangle =x=4 m

and length of rectangle =5x-4=(5×4)-4=16 m

hope this helps.

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