Robertoca192002 Robertoca192002
  • 22-02-2020
  • Mathematics
contestada

5. Find the mZABC if
ZABD = 35°, ZDBC = 55º.

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Respuesta :

calculista
calculista calculista
  • 28-02-2020

Answer:

[tex]m\angle ABC=90^o[/tex]

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

[tex]m\angle ABC=m\angle ABD+m\angle DBC[/tex] ----> by angle addition postulate

substitute the given values

[tex]m\angle ABC=35^o+55^o=90^o[/tex]

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