If triangle ABC is similar to triangle DEF, what is the value of x?
12 cm
36 cm
15 cm
5 cm
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Answer:
Step-by-step explanation:
If triangle ABC is similar to triangle DEF, then:
[tex]\dfrac{AC}{DF}=\dfrac{BC}{EF}[/tex]
Therefore:
[tex]\dfrac{x}{5}=\dfrac{12}{4}\\\\\dfrac{x}{5}=3\\\\x=15[/tex]