Question

geometria ángulos complementario y suplementario calcula Sx :​

Answer 1

Respuesta:

80-B = 4B-10

80 + 10 = 4B +  B

70 = 5B

70/5 = B

14 = B

80 - B + 2x = 180

80 - 14 + 2x = 180

66 + 2x = 180

2x = 180 - 66

2x = 114

x = 114/2

x = 57

Sx = 180 - 57 = 123