Question

4) Determine as medidas x e y indicadas na figura. ​

Answer 1

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2x - 100 = x + 30

2x - 100 - x = 30

x - 100 = 30

x = 30 + 100

x = 130° ← Resposta

x + y = 180°

130 + y = 180°

y = 180° - 130°

y = 50° ← Resposta

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