Symmetry and Practical Geometry (IMO Mathematics Olympiad (SOF) Class 6): Questions 23  28 of 50
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Question number: 23
» Symmetry and Practical Geometry
Question
A rhombus is symmetrical about
Choices
Choice (4)  Response  

a.  Perpendicular bisector of each of its sides 

b.  Each of its diagonals 

c.  The line joining the midpoints of its opposite sides 

d.  All of the above 

Question number: 24
» Symmetry and Practical Geometry
Question
A line segment cm is bisected at D and then is again bisected at point E, then length is
Choices
Choice (4)  Response  

a.  1.8 cm 

b.  1.4 cm 

c.  3.6 cm 

d.  3 cm 

Question number: 25
» Symmetry and Practical Geometry
Question
A line segment cm is bisected at O, then length is
Choices
Choice (4)  Response  

a.  16.4 cm 

b.  4 cm 

c.  4.2 cm 

d.  4.1 cm 

Question number: 26
» Symmetry and Practical Geometry
Question
An angle is bisected by an angular bisector KP, then the measure of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 27
» Symmetry and Practical Geometry
Question
A rectangle has
Choices
Choice (4)  Response  

a.  Three lines of symmetry 

b.  One line of symmetry 

c.  Two lines of symmetry 

d.  Four lines of symmetry 

Question number: 28
» Symmetry and Practical Geometry
Question
What is the smallest number of squares that must be added so that the line AB becomes a line of symmetry?
Choices
Choice (4)  Response  

a.  4 

b.  1 

c.  2 

d.  3 
