Respuesta :

check the picture below.


notice, the inscribed ∡S = 130°, and is intercepting the arcTQR.

also notice, the inscribed ∡x is intercepting the arcTSR.

recall that a full circle is 360°, so 360 - 260 = 100.

Ver imagen jdoe0001

The Answer Is:

D. 50

hope this helps :')

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