kelzest1213 kelzest1213

06-01-2021
Mathematics

contestada

please help me with triangle angles. due today !

please help me with triangle angles due today class=

Respuesta :

baeky04 baeky04

06-01-2021

Answer:

12

Step-by-step explanation:

8x-1+3x+4+3x+9=180

14x+12=180

14x=180-12

x=168/14

x=12

Answer Link

06-01-2021

Answer:

8x-1+3x+9+3x+4=180

8x+3x+3x=180+1-9-4

14x=168

x=12

Step-by-step explanation:

Answer Link

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