IMO Mathematics Olympiad (SOF) Class 8: Questions 285  291 of 1030
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Question number: 285
» Quadrilaterals and Practical Geometry
Question
The exterior angle of a regular polygon is onefifth of its interior angle. How many sides has the polygon?
Choices
Choice (4)  Response  

a.  8 

b.  4 

c.  12 

d.  10 

Question number: 286
» Quadrilaterals and Practical Geometry
Question
Which of the following quadrilateral has four right angles?
Choices
Choice (4)  Response  

a.  Square 

b.  Rectangle 

c.  Rhombus 

d.  Square and rectangle 

Question number: 287
» Quadrilaterals and Practical Geometry
Question
If a quadrilateral has all equal sides and parallel opposite sides, it is called________.
Choices
Choice (4)  Response  

a.  Rectangle 

b.  Parallelogram 

c.  Rhombus 

d.  Kite 

Question number: 288
» Quadrilaterals and Practical Geometry
Question
The number of sides of a regular polygon whose each interior angle has a measure of is________.
Choices
Choice (4)  Response  

a.  3 

b.  8 

c.  6 

d.  5 

Question number: 289
» 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: 290
» 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: 291
Question
What is 10 % of 10%?
Choices
Choice (4)  Response  

a.  0.10 

b.  0.01 

c.  1.00 

d.  0.001 
