Need help on #37 , #39, and 41 :)

label Algebra
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Nov 6th, 2014

37 .   < EGA + <EGC = 90 degree  , as CD is perpendicular to AG

67 +  <EGC = 90 

 <EGC = 90 - 67 = 23 degree

39.   < DGB + < DGA = 180 degrees , linear pair

    < DGB + 90 = 180  ,as CD is perpendicular to AG

     

 < DGB  = 180 - 90 = 90 degree

41.  < UKV & <VKW are complements 

 as UK is perpendicular to ZW

     <UKV + < VKW = 90 , so complements angle as their sum is 90 degree

 <YKZ and <XKY are complements 

 as UK is perpendicular to ZW

     <YKZ + < XKY = 90 , so complements angle as their sum is 180 degree


Nov 6th, 2014

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Nov 6th, 2014
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