Question

The area of a rectangle 512 sq.cm and
length of rectangle is twice of its breadth
then the perimeter is​

Answer 1

Answer:

96 is the perimeter

(Lengthis 32; Breadth is 16)

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

$Given: \: area \: of \: rectangle = 512cm²$

$According \: to \: the \: ques:$

$L = 2B --------(1)$

$Now, \: Area \: of \: Traingle = 512cm²$

$L×B = 512cm²$

$= 2B×B = 512cm²$

$= 2B² = 512$

$= B²= \frac{512}{2}$

$= B² = 256$

$= B = √256$

$= B = 16$

$From (1), \: we \: get$

$L = 2×16m$

$= L = 32m$

$now, \: Perimeter \: of \: Rectangle = 2(l+b)$

$= 2(32+16)m$

$= 2× 48m$

$= 96m$

$Therefore, \: the \: perimeter \\ \: of \: Rectangle \: is \: 96m.$

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