Understanding Elementary Shapes (IMO Mathematics Olympiad Class 6): Questions 40  41 of 82
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Question number: 40
» Understanding Elementary Shapes
Question
Which of the following statement (s) is/are true?
Choices
Choice (4)  Response  

a.  A parallelogram in which two adjacent angles are equal is a rectangle. 

b.  A quadrilateral in which both pairs of opposite angles are equal is parallelogram 

c.  In a parallelogram the number of acute angles is zero (or) two. 

d.  All a. , b. and c. are correct 

Question number: 41
» Understanding Elementary Shapes
Question
Find the value of x.
Choices
Choice (4)  Response  

a.  50^{0} 

b.  24.9^{0} 

c.  23^{0} 

d.  35.7^{0} 
