Quadrilaterals and Practical Geometry (IMO Mathematics Olympiad Class 8): Questions 36  40 of 62
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Question number: 36
» Quadrilaterals and Practical Geometry
Question
The exterior angle of a regular polygon is onefourth of its interior angle. How many sides has the polygon?
Choices
Choice (4)  Response  

a.  8 

b.  10 

c.  4 

d.  12 

Question number: 37
» Quadrilaterals and Practical Geometry
Question
To construct a convex quadrilateral which of the following cases is not correct?
Choices
Choice (4)  Response  

a.  When the lengths of four sides and one diagonal are given 

b.  When the lengths of three sides and the two diagonal given. 

c.  When the lengths of two sides and one angle are given. 

d.  When the lengths of two sides and two included angles are given. 

Question number: 38
» Quadrilaterals and Practical Geometry
Question
ABCD is a quadrilateral. If its diagonals are perpendicular bisectors of each other, then ABCD is________.
Choices
Choice (4)  Response  

a.  Square 

b.  Parallelogram 

c.  Rectangle 

d.  Rhombus 

Question number: 39
» Quadrilaterals and Practical Geometry
Question
A trapezium in which non parallel sides are equal is said to be________.
Choices
Choice (4)  Response  

a.  Equilateral trapezium 

b.  Isosceles trapezium 

c.  Right trapezium 

d.  All of the above 

Question number: 40
» Quadrilaterals and Practical Geometry
Question
Match the following.ListⅠ (List Of Geometric Shapes)  ListⅡ (Characteristic Of Shapes) 

(A) Square  (i) opposite sides are parallel and congruent 
(B) Parallelogram  (ii) All sides are congruent 
(C) Rectangle  (iii) Opposite sides are congruent 
Choices
Choice (4)  Response  

 
a. 


b. 


c. 


d. 

