michelle121564
michelle121564 michelle121564
  • 25-09-2021
  • Mathematics
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chikafujiwara
chikafujiwara chikafujiwara
  • 25-09-2021

Hello!

In this question, we can relate the definition of similar polygons to the side lengths.

If two given polygons are similar, that means that each corresponding side is multiplied by a certain, equivalent ratio to get the side length of the other side.

That means that we can take any side length ratio and set it equal to a ratio including the unknown side length.

[tex]\frac{6}{x}=\frac{2}{1.4}[/tex]

[tex]8.4=2x[/tex]

[tex]x=4.2[/tex]

Hope this helps!

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