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E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\CHAP_07
\ 02-Nov-2023 Sonia Suyal Proof-1 Reader’s Sign _______________________ Date __________

Now, let us draw a cuboid on an isometric dot sheet.

Draw a straight line joining 3 Next, draw 4 straight lines by Again join the points as shown.
points. joining points as shown.

practice time 7d

1. Trace the base outline of the following objects on a paper and find which plane
shape will you get?

(a) (b) (c) (d)

2. Complete the following table.

Shape of Number of faces Number of Number
Objects the Objects Plane faces Curved faces edges of vertices

(a)

(b)

(c)

(d)

3. Answer the following questions in yes or no.

(a) Is every cube also a cuboid? ___________

(b) Is every cuboid also a cube? ___________

(c) Are all the edges of a cuboid equal? ___________

124 Mathematics-3