Question

the breadth and the length not a rectangle are in the ratio of 6:7.if it's area is 378cm² ,find its breath and length​

Answer 1

Answer:

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Answer 2

Answer:

let , length and breadth of rectangle are 6x and 7x

$area \: of \: rectangle = l \times b \\ 6x \times 7 x = 378 \\ 42 {x}^{2} = 378 \\ {x}^{2} = 9 \\ = > x = 3$

then,

length of rectangle = 6×3 = 18

breadth of rectangle = 7×3 = 21