Question 593925
All lines intersecting a sphere are tangent to the sphere.


<font color="red">False</font>, a line may intersect a sphere twice.


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Every plane that intersects a sphere creates a great circle.


<font color="red">False</font>, only planes that go through the center of the sphere create create circles.


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The eastern hemisphere of Earth is congruent to the western hemisphere of Earth.


<font color="red">True</font>, they are two equal halves of the sphere.


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The diameter of a sphere is congruent to the diameter of its great circle. 


<font color="red">True</font>, the radii of a sphere and any great circle are equal (this can be shown with a drawing). This applies to diameters as well.