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EastWind [94]
3 years ago
10

Need help solving this

Mathematics
1 answer:
DedPeter [7]3 years ago
8 0

Answer:

  x = (√21)/2

Step-by-step explanation:

The sides of a 30°-60°-90° triangle have the ratios 1 : √3 : 2. That means the middle-length side is (√3)/2 times the length of the longest side.

  x = (√3)/2·√7

  \boxed{x=\dfrac{\sqrt{21}}{2}}

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