greckga901
greckga901 greckga901
  • 12-10-2020
  • Mathematics
contestada

I need to stay in math

I need to stay in math class=

Respuesta :

nerd1232 nerd1232
  • 12-10-2020

Answer:

? = 42 degrees

Step-by-step explanation:

The 105 is part of a 180 degree angle so we do 180-105 giving us 75 degrees. and the sum of the internal angles of a triangle should equal 180. so we add 57 + 75 giving us 132. 180-132 will be 48 degrees.

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