Math, asked by tushar4623, 1 year ago

The length of a rectangular plot is twice its breadth. If the length of its diagonal is 9 root 5m the perimeter of the rectangle is

Answers

Answered by malviyasoumya051
5

Answer

Let breadth of rectangle be 'x'

Therefore length will be '2x'

Now Diagonal^2= Length^2+breadth^2

(9√5)^2=x^2+(2x)^2

405=5x^2

81=x^2

x=9 cm= Breadth

Length=2x=18 cm

Perimeter=2(l+b)

2(9+18)

2*27=54 cm

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