IMO Mathematics Olympiad Class 9: Questions 260  265 of 919
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: 260
» Lines, Angles and Quadrilaterals
Question
In the figure, If and , then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 261
Question
The point of concurrency of the angle bisectors of a triangle is called ________.
Choices
Choice (4)  Response  

a.  Incentre  
b.  Orthocentre  
c.  Centroid  
d.  Circumcentre 
Question number: 262
Question
From the adjoining figure, the value of x is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 263
Question
Orthocenter of a triangle is the point of concurrency of its ________
Choices
Choice (4)  Response  

a.  Medians  
b.  Altitudes  
c.  Angle bisectors  
d.  Perpendicular bisectors 
Question number: 264
» Lines, Angles and Quadrilaterals
Question
A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 24 inches, the median of the trapezoid is ________
Choices
Choice (4)  Response  

a.  59 inches  
b.  24 inches  
c.  16 inches  
d.  12 inches 
Question number: 265
Question
A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
