Question

determine os ângulos de ​

Answer 1

x + 35° + 90° = 180°

x = 180° - 35° - 90°

x = 55°

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x + 35° + 15° = 180°

x = 180° - 35° - 15°

x = 130°

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x + 20° + 20° = 180°

x = 180° - 20° - 20

x = 140°