noenya noenya
  • 10-11-2020
  • Mathematics
contestada

i need help with this question please !!

i need help with this question please class=

Respuesta :

Аноним Аноним
  • 10-11-2020

Answer:

100, because 180 - 50 - 90 = 40

The vertical angles theorem is applied, so now angle DCE is 40

And since CE = ED, its isosceles triangle, so base angles are equal, so 40 and 40.

180 - 80 = 100 = Angle E.

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