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  • 21-05-2021
  • Mathematics
contestada

А. 40

ОВ. 5

Ос. 20

OD. 45 ​

А 40 ОВ 5 Ос 20 OD 45 class=
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Respuesta :

torikubiak2004 torikubiak2004
  • 21-05-2021

Answer:

A. 40

Step-by-step explanation:

A line is equal to 180 degrees. So 180-20=160. 4x=160, x=40

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