slsweetlipss
slsweetlipss slsweetlipss
  • 16-01-2021
  • Mathematics
contestada

Can someone please help me figure out how to solve for x?​

Can someone please help me figure out how to solve for x class=

Respuesta :

SkiffMackinaw SkiffMackinaw
  • 16-01-2021

Answer:

[tex]x=30[/tex]

Step-by-step explanation:

Both triangles in this figure are similar. Therefore, we can set up the following proportion:

[tex]\frac{21}{x}=\frac{14}{20}[/tex].

Cross-multiply to solve:

[tex]14x=21\cdot 20,\\x=\frac{21\cdot20}{14},\\x=\fbox{$30$}[/tex].

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