Question

lf breadth is 9mt less than the length of a rectangle and its area is 20sq.mt then find length and breadth
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Answer 1

Answer:

this is the right answer...

Answer 2

Answer:

let length = x metre

so breadth = (x - 9) metre

now area = 20

so,

$x(x - 9) = 20 \\ {x}^{2} - 9x - 20 = 0$

using quadratic formula

Please find the attachment