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eveatron
eveatron eveatron
  • 30-05-2015
  • Mathematics
Answered

A tv has height:width in ratio 9:16. In a scale drawing the height is 4.5cm. What would the width be?

Verified Answer :

RedRicin
RedRicin RedRicin
  • 30-05-2015

\(\frac{4.5}{width}=\frac{9}{16}\\\\cross\ multiply.\\16\times4.5=9(width)\\72=9(width)\\\boxed{width=8\ cm}\)

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