IMO Mathematics Olympiad Class 9: Questions 334  338 of 919
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Question number: 334
Question
C1 is a circle of radius 6 cm, C2 is a circle of radius 8 cm. Jyoti wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centers. What are these two distances?
Choices
Choice (4)  Response  

a.  6 cm and 8 cm 

b.  2 cm and 14 cm 

c.  3 cm and 4 cm 

d.  2 cm and 8 cm 

Question number: 335
Question
The parallel sides of a trapezium are 55 cm and 85 cm and nonparallel sides are 24 cm and 28 cm. the approximate area of trapezium is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 336
Question
In the given figure, PQ is a diameter of a circle with center O and. The area of the shaded region________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 337
Question
The point concurrency of medians of a triangle is called ________.
Choices
Choice (4)  Response  

a.  Incenter 

b.  Centroid 

c.  Orthocenter 

d.  Circumcenter 

Question number: 338
Question
In the given figure, RSTV is a square inscribed in a circle with center O and radius r. The total area of shaded region is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

