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Soloha48 [4]
2 years ago
8

Find the value of x. Write your answer in simplest form. x =

Mathematics
1 answer:
faust18 [17]2 years ago
4 0

Answer:

  x = 7

Step-by-step explanation:

The relevant trig relation is ...

  Sin = Opposite/Hypotenuse

  sin(30°) = x/14

  x = 14·sin(30°) = 14·0.5 . . . . . multiply by 14 and evaluate

  x = 7

_____

<em>Additional comment</em>

The triangle shown is a 30°-60°-90° triangle. The ratios of sides, shortest-to-longest, are ...

  1 : √3 : 2

As we have seen here, the shortest side is 1/2 the length of the longest side, so x = 14/2 = 7.

This triangle and these ratios show up often, so it can be worthwhile to remember these ratios.

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