Mathematics
willow
2016-04-26 16:47:42
I Am Not Sure if B is Correct Please Help Me
ANSWERS
luzperalta21
2016-04-26 17:34:32

YZ is the diameter, so arc YZ = 360°/2 = 180° arc XZ = 360° - arc YZ - arc YWX = 360° - 180° - 100° = 80° ∠XYZ is an inscribed angle so it is equal to half the arc XZ ∠XYZ = 80°/2 = 40°

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