IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 333  338 of 929
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Question number: 333
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: 334
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: 335
Question
The point concurrency of medians of a triangle is called ________.
Choices
Choice (4)  Response  

a.  Orthocenter  
b.  Centroid  
c.  Circumcenter  
d.  Incenter 
Question number: 336
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. 

Question number: 337
Question
An exterior angle of a triangle is 110˚ and one of the interior opposite angle is 40˚. Then the other two angles of a triangle are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 338
Question
A rectangle with perimeter 88cm is partitioned into 5 congruent rectangles, as indicated in the diagram. The perimeter of each of the congruent rectangle is ________.
Choices
Choice (4)  Response  

a.  48 cm  
b.  40 cm  
c.  34 cm  
d.  30 cm 