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Answer:
Step-by-step explanation:
In similar triangles, corresponding sides are in same ratio.
AD = 14 + 8 = 22
[tex]\dfrac{AD}{AB}=\dfrac{DE}{BC}=\dfrac{AE}{AC}\\[/tex]
[tex]\dfrac{AD}{AB}=\dfrac{DE}{BC}\\\\\\\dfrac{22}{14}=\dfrac{DE}{10}\\\\\\\dfrac{22}{14}*10=DE\\\\\\DE = 15.71[/tex]