gdromero2005
gdromero2005 gdromero2005
  • 07-02-2020
  • Mathematics
contestada

i need answers its to hard for me

i need answers its to hard for me class=

Respuesta :

jimrgrant1 jimrgrant1
  • 07-02-2020

Answer:

∠ ACE = 40°

Step-by-step explanation:

The sum of the angles in a circle = 360°, thus

arc AE = 360° - (112 + 28 + 112)° = 360° - 252° = 108°

∠ ACE is half the difference of the intercepted arcs, that is

∠ ACE = 0.5( arc AE - arc BD) = 0.5(108 - 28)° = 0.5 × 80° = 40°

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