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lineNL is tangent to circle M at point N.

 

What is the measure of ∠MLN?

Gwendolynkristine  May 3, 2017
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A tangent drawn to a circle meets a radius at right angle....so  angle MNL = 90°

 

So......the other two angles sum to 90°

 

angle NML  + angle MLN   = 90

 

 71    +    angle MLN   =  90       subtract 71 from both sides

 

angle MLN  =   19°

 

 

cool cool cool

CPhill  May 3, 2017

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