22-11-2020
Mathematics

contestada

I WILL MARK BRAINIEST

I WILL MARK BRAINIEST class=

Respuesta :

rabinthapamagar25 rabinthapamagar25

22-11-2020

Answer:

x=20

Step-by-step explanation:

7x+2x=180(being straight angle )

9x=180

x=180/9

x=20

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