Triangles and Circles (IMO Mathematics Olympiad (SOF) Class 9): Questions 66  69 of 79
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Question number: 66
» Triangles and Circles
Question
PQRS is a cyclic Quadrilateral whose diagonals intersect at a point E. If, , , then =________
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Choice (4)  Response  

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Question number: 67
» Triangles and Circles
Question
O, P, Q and R are four points on a circle. OQ and PR intersect at a point S such that and, then angle is ________
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d. 


Question number: 68
» Triangles and Circles
Question
In the figure , and . Then x equals ________.
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Choice (4)  Response  

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Question number: 69
» Triangles and Circles
Question
In a, the medians AD, BE and CF meet at G, then ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 

