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1) Which shape best describes the object generated when half circle is rotated about the axis?
A: Hollow Sphere
B: Solid Cylinder
C: Hollow Cylinder
D: Solid Sphere

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

A: Cone

B: Sphere

C: Cylinder

D: Rectangular prism

3) Which description best describes the three-dimensional object that is formed when the shape is rotated about the axis as shown?

A: A flat disk with a hole in the center

B: A square pyramid

C: A rectangular prism that is open on the ends

D: A hollow cylinder

4) Which figure shows how a shape can be rotated about an axis to form a cylinder?

 

A:

B: 

C: 

D: 

5) Which figure shows how a shape can be rotated about an axis to form the given object?

 

A: 

B:

C: 

D: 

 

 

Thank You So Much!!!!!!!!!!! The Bolded Letters Are What I Think The Answer Is.

 Apr 26, 2018
edited by KennedyPape  Apr 26, 2018
 #1
avatar+7350 
+3

1) Which shape best describes the object generated when half circle is rotated about the axis?

*edit again*

D: Solid Sphere

\(\text{____________________________________________________________________}\)

 

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

C: Cylinder  (it is a short cylinder, like a hockey puck)

\(\text{____________________________________________________________________}\)

 

3) Which description best describes the three-dimensional object that is formed when the shape is rotated about the axis as shown?

*edit*

At first I said A: A flat disk with a hole in the center, but actually I think that you're right...it is  D: A hollow cylinder! I had to look up what a hollow cylinder was!

\(\text{____________________________________________________________________}\)

 

4) Which figure shows how a shape can be rotated about an axis to form a cylinder?

 

D:    laugh

\(\text{____________________________________________________________________}\)

 

5) Which figure shows how a shape can be rotated about an axis to form the given object?

 

 

 

D:

 

smileysmiley

 Apr 27, 2018
edited by hectictar  Apr 27, 2018
edited by hectictar  Apr 27, 2018
edited by hectictar  Apr 27, 2018

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