Dogsrulelife03
Dogsrulelife03 Dogsrulelife03
  • 14-03-2018
  • Mathematics
contestada

1. What is the value of w? 7 3.5 7(sqrt)of 3 14

1 What is the value of w 7 35 7sqrtof 3 14 class=

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carlosego
carlosego carlosego
  • 23-03-2018
You can solve this problem by following the proccedure below:

 1. You have:

 Cos(α)=Adjacent/Hypotenuse

 α=30°
 Adjacent=7√3
 Hypotenuse=w

 2. When you substitute this values into Cos(α)=Adjacent/Hypotenuse, you obtain:

 Cos(α)=Adjacent/Hypotenuse
 Cos(30°)=(7√3)/w

 3. When you clear "w", you obtain:

 wCos(30°)=7√3
 w=(7√3)/Cos(30°)

 4. Then, the result is:

 w=14

 The answer is the last option: 14
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