Question

3. A rectangular sheet of paper is 12/5 cm long and 9/4
cm wide. Find its perimeter.​

Answer 1

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Answer 2

Answer:

Perimeter =9.3cm

Step-by-step explanation:

$perimeter \: of \: rectangle \\ = 2(l + b) \\ = 2( \frac{12}{5} + \frac{9}{4} ) \\ = 2( \frac{48 + 45}{20} ) \\ = 2 \times \frac{93}{20} \\ = \frac{93}{10} \\ 9.3cm$