Tangent to a circle: A line that contacts an arc or circle at only one point.
Tangent line is always at right angles to the radius at the point of contact.
Tangent line is always at right angles to the radius at the point of contact.
Check this out for an interactive experience with a tangent to a circle.
We were talking about tangent to a circle in 3H on 27 January 2015, when discussing the total internal reflection in a semi-circular glass block.
We were talking about tangent to a circle in 3H on 27 January 2015, when discussing the total internal reflection in a semi-circular glass block.
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