Lista de exercícios do ensino médio para impressão

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In the given picture, if r // s , we can say that the value of $\,\hat{\,\alpha\,}\,$ is:

a)

90°

b)

100°

c)

110°

d)

120°

e)

22°40'

Knowing that in the picture r // s, the value of $\;\hat{\;x\;}\;$ is:

a)

90°

b)

100°

c)

110°

d)

120°

e)

None of the above.

In the picture the line r is parallel to the line s . Find the value of $\,\hat{\,\alpha\,}\,$.