lily23472 lily23472
  • 08-09-2021
  • Mathematics
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HELPPPPP ME PLEASE!!!!

HELPPPPP ME PLEASE class=

Respuesta :

mazenalriyami mazenalriyami
  • 08-09-2021

Answer:

this is tough

Step-by-step explanation:

Answer Link
rthomas111 rthomas111
  • 09-09-2021

Answer:

100 degrees

Step-by-step explanation:

The three angles inside a triangle always add up to 180

so, 180-43-57 is 80

But that's the angle inside the triangle. notice that that angle (ACD) and BCA make a straight line.  That means they add up to 180. Therefore, 180-80=100 degrees.

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