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  • 16-12-2018
  • Mathematics
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find the exact value of y

find the exact value of y class=

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gmany
gmany gmany
  • 30-12-2018

ΔABC and ΔACD are similar. Therefore the sides are in proportion:

[tex]\dfrac{y}{7}=\dfrac{7}{6}[/tex]            multiply both sides by 7

[tex]y=\dfrac{49}{6}\\\\\boxed{y=\dfrac{1}{6}}[/tex]

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