littleadybug890 littleadybug890
  • 02-07-2021
  • Mathematics
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Find x from this triangle

Find x from this triangle class=

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caylus
caylus caylus
  • 02-07-2021

Hello,

we are going to use the theorem of the bissectrice. (if this word is good in english)

[tex]\dfrac{KL}{LM} =\dfrac{KN}{NM} \\\\\dfrac{8}{x} =\dfrac{14}{20-x} \\\\8(20-x)=14x\\\\160-8x=14x\\\\22x=160\\\\x=\frac{160}{22} \\\\x=\frac{80}{11} \\\\\\x=7.\overline{27}[/tex]

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