Seudónimo Seudónimo
  • 01-11-2020
  • Mathematics
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Some please help me with these two

Some please help me with these two class=

Respuesta :

imurfanthinking imurfanthinking
  • 01-11-2020

Answer: x=5, angle 1 = 140 degrees, angle 2 = 40 degrees, angle 3 = 65 degrees

Step-by-step explanation:

1)

19x-18=(7x+1)+(10x-9)

19x-18=17x-8

2x=10

x=5

2)

angle 1 = 60+80

angle 2= 180-(60+80) or 180-angle 1

angle 3 = 180 - (180-105) - angle 2 = 105 - angle 2

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