s1765050 s1765050

04-06-2021
Mathematics

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what is x the missing side length in triangle DEF

what is x the missing side length in triangle DEF class=

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Аноним Аноним

04-06-2021

Answer:

x = 9.75

Step-by-step explanation:

We know that Triangle ABC and DEF are congruent, therefore;

[tex]\frac{CB}{FE} = \frac{AB}{DE}[/tex]

[tex]\frac{12}{9 }=\frac{13}{x}[/tex]

=> 12*x = 9*13

=> 12x = 117

=> x = 117 / 12

=> x = 9.75

Hope this helps!

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