Lsfree
Lsfree
22-11-2020
Mathematics
contestada
I WILL MARK BRAINIEST
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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