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McGraw Hill Integrated II, 2012 View details

6. Surface Areas and Volumes of Spheres

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Exercise 36 Page 853

A tangent line to a sphere is a line that intersects the sphere at exactly one point.

l

Practice makes perfect

Let's analyze the given sphere.

We are asked to name a tangent line to the given sphere. A tangent line is a line that intersects the sphere at exactly one point. Therefore, we can see one tangent line: line l.