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Math Arguments

Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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3D Tangent?

Can a line be tangent to a circle? Sure, if they're coplanar.
What if they're NOT co-planar?

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@MathCurmudgeon but beware the art teacher. They tend to think three-dimensionally. @calcdave — sterlace (@sterlace) March 12, 2015

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