1.

Area of a rectangular field is 560 sq.metre.Ratio of their length&breadth is 5:7.Find the diagonal of a rectangle.

Answer» LET the common be x
Then..
5x*7x=560
35x = 560
x = 560/35
= 16
Hence LENGTH =5*16=80
And breadth =7*16 =112
Now, diagonal =
\sqrt{ {80 }^{2} } + {112}^{2}
=
\sqrt{6400 + } 12544
=
\sqrt{18944}
=137.63.

HOPE THIS WILL HELP U


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