Question

The length and breadth of a rectangle are 12 hole 5 by 7 metre and 9 hole 5 by 7 metre respectively . Find its perimetre

Answer 1

44 whole 6/7

Step-by-step explanation:

Length= 12whole 5/7m

Breadth=9whole 5/7m

$perimeter = 2 \times (length + breadth)$

$2 \times( 12 \: \frac{5}{7} + 9 \frac{5}{7})$

$2 \times (\frac{89}{7} + \frac{68}{7} )$

$2 \times \frac{157}{7}$

$\frac{314}{7} = 44 \frac{6}{7}$

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Answer 2

Answer:

p=2*l+b

Step-by-step explanation:

$p=2*12\frac{5}{7} +9 \frac{5}{7}$

$p=2*\frac{89}{7} +\frac{68}{7}$

$p=2*\frac{89+68}{7}$

$p=2*\frac{157}{7}$  

$p=\frac{314}{7}$