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Common solids Questions

1.  Below is a net of a model of a 3 – dimensional figure. The lengths AB = BC = AC = 6.0cm and lengths AF = FB = BD = CD = CE = AE = 8.0cm.

 

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a) Sketch when the net is folded by taking ABC as the base and the height 5cm.

b) State the name of the figure sketched  (3 mks)

2.  The figure below represents a square based solid with a path marked on it

 

 

 

 Sketch and label the net of the solid *

Image From EcoleBooks.com3.  The below shows a solid prism:-

 

 

 (a) Sketch the net of the prism above

 (b) Use the net in (a) above to calculate the total surface area of the material used in making

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the solid

 

 

4.  Draw the solid whose net is shown below.  

 

 

 4cm  4cm

 

 

5.  Sketch the net of the solid shown in the figure below, measurements are in centimeters  

 

 

Common solids Answers

 

1.

a)

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b) The figure is tetrahedron

 

 

 

B1

 

 

 

B1

 

 

 

Sketch completed and the lines dotted.

  

02

 

 

2.  Sketch of the net of the solid (not free hand) base n\must be square, other lengths must be

within. Labeling of all verticals with the path correctly shown. AB and DA may be shown one.

 

 

 

 

 

 

 

 

 

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Image From EcoleBooks.com3.  (a)

 

 

 

 

 

 

 

 

 
 

(b) Total surface area

= 2 9 x 3 x 4 x 2 + 10 (6 + 5 + 7)

= 29.39 + 180= 209.4cm2

 

4.  

 

 

 

 

 

 

 

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5.  

 

 

 

 

 

 

 

 


 




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EcoleBooks | Common solids Questions and Answers

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