Q:

Some Geometry problems I need some help with! When a 2-D circle is rotated around a line that it does not touch. What is the name of the resulting figure? A. Cavalieri section B. Torus C. Cross section D. Annulus A sphere with radius 16 m is cut by a plane though it’s a great circle. What is the best description of the cross section that is shown? A. A torus B. A circle was radius 16 m C. A circle with radius 8 m D. A sphere with radius 8 m

Accepted Solution

A:
Answer:                                                                                 When a 2-D circle is rotated around a line that it does not touch. What is the name of the resulting figure?  The answer is annulusA sphere with radius 16 m is cut by a plane though it’s a great circle. What is the best description of the cross section that is shown? B. A circle with radius 16 m