Question

what is a length of rectangle is 3cm more than it breath it perimeter is 34 CM find it length and breadth​

Answer 1

Answer:

l = b + 3

2 ( 2b + 3) = 34;. 4b+ 6 = 34

b = 7 ; l = 10

Answer 2

Answer:

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Let x be the breadth of rectangle.

Length of rectangle (1) = ( x + 3 )

Perimeter of rectangle = 34 cm

Perimeter of rectangle = 2 ( 1 + b )

2 ( ( x + 3 ) + x ) = 34

$2x + 3 = \frac{34}{2} \\ = 17$

2x = 17 - 3

2x = 14

$x = \frac{14}{2} \\ = 7 \: cm$

1 = x + 3

= 7 + 3

= 10 cm

Hence the length and breadth of rectangle is 10 cm and 7 cm respectively.

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