WindsorLynne
WindsorLynne WindsorLynne
  • 01-08-2017
  • Mathematics
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PLEASE HELP WITH GEOMETRY

PLEASE HELP WITH GEOMETRY class=

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Banabanana
Banabanana Banabanana
  • 01-08-2017
In the triangle DFС:  ∠DFС = 94° and ∠FDС = 46°
∠FCD = 180 - ∠DFС - ∠FDС = 180 - 94 - 46 = 40°

∠ACD = ∠FCD = 40°

∠ACD is an inscribed angle  
The measure of the intercepted arc is twice that of the inscribed angle ⇒
arc AD = 2 * ∠ACD = 2 * 40 = 80°
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