Geometry · Parallel lines · Alternate angles · Co interior angles · Angle chasing · Auxiliary line
The figure shows the route a hare ran while a wolf was chasing it through the fog. The hare first ran east; then it turned right, after a while it turned left, and shortly afterwards it turned left once more. After that last turn the hare was again running east. How large is the angle at the second turn, marked with a question mark?
- A \(98^\circ\)
- B \(96^\circ\)
- C \(88^\circ\)
- D \(90^\circ\)
- E \(92^\circ\)
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Slovenian High School Mathematics Competition for Vega Awards (MaSSA), regijsko (regional) round 2013, 1. letnik, category A, problem A3. Organized by DMFA Slovenije (Society of Mathematicians, Physicists and Astronomers of Slovenia). Source