Respuesta :

fnej

Answer:

x = 20

Step-by-step explanation:

x, 7x, and x are all supplementary angles which means they all add up to 180:

x + 7x + x = 180

9x = 180

x = 20

840060

Answer:

x° = 20°

Step-by-step explanation:

From the diagram, we see that 9x for a straight angle, therefore we know the following...

9x° = 180°

x° = 180° / 9

x° = 20°

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