A Jefferson County teacher picked the wrong example when he used as­sassinating President Bar­ack Obama as a way to teach angles to his geome­try students.

Someone alerted autho­rities and the Corner High School math teacher was questioned by the Secret Service, but was not taken into custody or charged with any crime.

The teacher was appar­ently teaching his geometry students about parallel lines and angles, officials said. He used the example of where to stand and aim if shooting Obama.

“He was talking about angles and said, ‘If you’re in this building, you would need to take this angle to shoot the president,’ ” said Joseph Brown, a senior in the geometry class.

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