Question

A length of a rectangular fueld is 2 times it breadth .If the perimeter of the field is 72 cm .Find it length and breadth

Answer 1

Here is your answer:

$perimeter \: of \: a \: rectangle = 2(length \: + breadth$

Let the breadth and length be b and 2b respectively

$= 2(2b + b) = 72$

$= 4b + 2b = 72$

$6b = 72$

$b = \frac{72}{6} = 12$

$so \: the \:breadth \: is \: 12 \: and \: the \: length \: is \: 24$

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