Akshay_Budhkar
  • Akshay_Budhkar
Posting a question wait lemme draw...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Akshay_Budhkar
  • Akshay_Budhkar
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Akshay_Budhkar
  • Akshay_Budhkar
prove that angle d = 90 + (1/2)( angle A)
anonymous
  • anonymous
ok,in triangle ABC,

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phi
  • phi
sri used substitution to solve 2 eqs. we could also use elimination. Let y= angle CBD, and x= angle BCD 2y + 2x + A = 180 y + x + D = 180 multiply the first eq by -1/2 and add the 2 eqs then solve for D
anonymous
  • anonymous
angle

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