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1. Which three-dimensional object is formed when the shape is rotated about the axis as shown?

Options: cylinder, hemisphere, sphere, cone

 

2. Which figure shows how a shape can be rotated about an axis to form a hemisphere?

(Choose one of the followings below)

Guest May 10, 2017
 #1
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1.

 

This will form a sphere when rotated about the axis.

 

2.

This will form a hemisphere when rotated about the axis. smiley

hectictar  May 10, 2017

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