IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 328  332 of 929
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Question number: 328
Question
A parallelogram and a trapezoid are equal in area. They also have the same altitudes. If the base of the parallelogram is 14 inches, the sum of the parallel sides of the trapezoid is ________
Choices
Choice (4)  Response  

a.  26 inches  
b.  28 inches  
c.  14 inches  
d.  None of the above 
Question number: 329
Question
If the point (2,5) lies on the graph of the equation , find the value of a.
Choices
Choice (4)  Response  

a.  7  
b.  9  
c.  8  
d.  6 
Question number: 330
» Lines, Angles and Quadrilaterals
Question
From the adjoining figure . Then the value of x is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 331
Question
An exterior angle of a triangle is 139˚ and one of the interior opposite angle is 49˚. Then the other two angles of a triangle are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 332
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.  3 cm and 4 cm  
b.  6 cm and 8 cm  
c.  2 cm and 14 cm  
d.  2 cm and 8 cm 