Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 47  50 of 989
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Question 47
Question
MCQ▾A, B, C are the three angles of a triangle. If , then are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question 48
Question
MCQ▾ABCD is a parallelogram. The angle bisectors of and meet at O. The measure of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  Dependent on the angle A and B  
d.  Cannot be determined from given data 
Question 49
Question
MCQ▾One side of a regular polygon with vertices on a circle subtends an angle of at the centre of this circle. This polygon is
Choices
Choice (4)  Response  

a.  10 sided  
b.  18 sided  
c.  12 sided  
d.  6 sided 
Question 50
Question
MCQ▾In the given figure, X is a point in the interior of parallelogram ABCD. If the area of parallelogram , then area of area of = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
