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DonK DonK
  • 26-01-2015
  • Mathematics
Answered

Using similar triangles, what is x?

Using similar triangles, what is x? class=

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konrad509
konrad509 konrad509
  • 26-01-2015

\(\dfrac{x}{2.5}=\dfrac{x+2.4}{2.5+2}\\ \dfrac{x}{2.5}=\dfrac{x+2.4}{4.5}\\ 4.5x=2.5(x+2.4)\\ 4.5x=2.5x+6\\ 2x=6\\ x=3\)

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