Respuesta :

Hrishii

Answer:

x = 18

Step-by-step explanation:

x° + 8x° + x° = 180° (Linear pair angles)

10x° = 180°

x° = 180°/10

x° = 18°

x = 18

Phobic111

Answer:

x = 18°

Step-by-step explanation:

Angles on a triangle add up to 180°

x + 8x + x = 180°

10x = 180°

x = 180° ÷ 10

x = 18°

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