Lines, Angles and Quadrilaterals (IMO Mathematics Olympiad Class 9): Questions 6  10 of 126
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 6
» Lines, Angles and Quadrilaterals
Question
How many sides does a regular polygon have, each angle of which is of measure 108˚?
Choices
Choice (4)  Response  

a.  5 

b.  7 

c.  8 

d.  6 

Question number: 7
» Lines, Angles and Quadrilaterals
Question
DEF is an equilateral triangle for side. A, B and C are midpoints of DE, EF and DF respectively. The area of triangle JKL is (in) ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 8
» Lines, Angles and Quadrilaterals
Question
In the figure the bisectors of ∠PQR and ∠PRQ intersect each other at O, then ∠QOR is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 9
» Lines, Angles and Quadrilaterals
Question
The given figure ABCD is a parallelogram then the values of and are________
Choices
Choice (4)  Response  

a.  35˚, 60˚ 

b.  55˚, 40˚ 

c.  70˚, 25˚ 

d.  25˚, 70˚ 

Question number: 10
» Lines, Angles and Quadrilaterals
Question
The measure of an angle is eight times the measure of its supplementary angle. Then the angles are________
Choices
Choice (4)  Response  

a.  65˚, 45˚ 

b.  63˚, 157˚ 

c.  140˚, 60˚ 

d.  20˚, 160˚ 
