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avatar+1715 

Find the measure of each side indicated. Round to the nearest tenth.

 

 

 Apr 30, 2020
 #1
avatar+111396 
+2

23)

 

We have a 30-60-90 right triangle

 

The hypotenuse  "x"  is  twice the measure  of  the side opposite the 30°  angle

 

So....

 

x = 10

 

cool cool cool

 Apr 30, 2020
 #2
avatar+111396 
+2

24)

 

We  know an angle, the hypotenuse  and we are trying to find the adjacent side

 

The cosine seems the way to go....

 

cos 70°  =  x / 10           multiply both sides by 10

 

10 * cos 70°  =  x  ≈ 3.42

 

 

cool cool cool

 Apr 30, 2020

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