Question

1.the length of a rectangle is 3m less than two width.if perimeter of the rectangle is 120 m, find its dimensions. ​

Answer 1

Answer:

21×39

let the breadth be xm

hence lenth is 2x-3m

2(2x-3+x)m = 120m

4x-6+2x = 120m

6x-6=120m

6x=120+6

6x=126m

x=126/6

x=21m

hence breadth =21m

and length= 2x-3= 2(21)-3= 42-3= 39m

Answer 2

Answer:

length - 2m

wedth - ?

W = 2L-3

2 ( L+W ) = 120

L + 2L -3 = 60

3L = 63

length - 2m

wedth - 39

Step-by-step explanation:

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