Zionv1201
Zionv1201
07-03-2018
Mathematics
contestada
Anybody have a real answer for the question?
Respuesta :
jdoe0001
jdoe0001
07-03-2018
based on the "tangent-chord angle theorem", since the arc made by that chord is 168°, the angle enclosed by both the chord and the arc is half that, namely ∡x is 168/2.
now, notice, ∡y and ∡x are "linear angles", therefore
x + y = 180
y = 180 - x.
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