Three straight lines X, Y and Z are parallel and the angles are as shown in the figure above (X top, Y middle, Z bottom; transversals forming 125°, 80° and 30°). What is ∠AFB equal to ?
[Figure: three parallel horizontal lines X, Y, Z with two transversals and marked angles 125°, 80°, 30°]

Question

Three straight lines X, Y and Z are parallel and the angles are as shown in the figure above (X top, Y middle, Z bottom; transversals forming 125°, 80° and 30°). What is ∠AFB equal to ?

[Figure: three parallel horizontal lines X, Y, Z with two transversals and marked angles 125°, 80°, 30°]

Accepted Answer

Option B: 15°