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3rd Class Mental Ability Shapes Geometrical Shapes

Geometrical Shapes

Category : 3rd Class

  

Shape and Their Names

 

 

Slanting Lines

Properties of Shapes

Cone

Rectangle

à Triangular and circular faces

Vertical Lines

          

à Pair of opposite sides are equal.

à Four corners, Four sides

Square

Cylinder

Horizontal Lines

à All four sides are equal.

à Four corners, Four Sides

à Rectangular and circular faces

Circle

Curved Lines

à No corner

Triangle

Cube

All Slanting, Vertical and Horizontal lines are Straight lines.

à Three sides, Three corners

6 square faces, 12 sides, 8 corners

Sphere

Cuboid

à No corner, Circular faces

6 rectangular faces, 12 sides, 8 corners

 

 

EXAMPLE

 

1.        Minimum number of straight lines in the figure is _________.

(a) 10

(b) 15

(c) 11

(d) 13

 

Explanation (a):

Straight lines: PS, QR, RS, ST, TP, TQ, SQ, PS, TR, PR

Number of straight lines = 10.

 

 

2.     Count the number of slanting lines in the given figurer.

(a) 3                            

(b) 5                            

(c) 6                            

(d) 10

 

Explanation (c):

Slanting lines: AB CD, DE, AF, GF, CH

Number of slanting lines = 6

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