Quadrilaterals and Practical Geometry (IMO Mathematics Olympiad Class 8): Questions 22  26 of 62
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Question number: 22
» Quadrilaterals and Practical Geometry
Question
Choose the correct statement.
Choices
Choice (4)  Response  

a.  Only the square have all the angles right angle. 

b.  All the sides of rhombus are not congruent. 

c.  The diagonals of rectangle are not congruent 

d.  Rectangle has all the sides equal. 

Question number: 23
» Quadrilaterals and Practical Geometry
Question
In a parallelogram PQRS, if , then the others angles are________.
Choices
Choice (4)  Response  

a.  45 , 135 , 135 

b.  45 , 145 , 135 

c.  45 , 125 , 135 

d.  45 , 115 , 115 

Question number: 24
» Quadrilaterals and Practical Geometry
Question
In the given figure, line CE is drawn parallel to DB. If
and ∠BAD = 110°, ∠ABD = 40°, ∠ADC = 100° and ∠BCD = 80° is given.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 25
» Quadrilaterals and Practical Geometry
Question
Suppose ABCD is a quadrilateral. If its diagonals are congruent and bisect each other, then ABCD is________.
Choices
Choice (4)  Response  

a.  Rhombus 

b.  Square 

c.  Equiangular 

d.  Rectangle 

Question number: 26
» Quadrilaterals and Practical Geometry
Question
MNOP is a rhombus in which the altitude from P to side ON bisects ON. Then is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  180° 
