Triangles and Circles (IMO Mathematics Olympiad (SOF) Class 9): Questions 62  65 of 79
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Question number: 62
» Triangles and Circles
Question
The area of a quadrilateral, one of whose diagonals is 30 cm long and the perpendiculars from the other two vertices are 19 cm and 11 cm respectively is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 63
» Triangles and Circles
Question
DEF is an equilateral triangle of side. S, T and U are midpoints of DE, EF and DF respectively. The area of triangle STU is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 64
» Triangles and Circles
Question
The sides BC, CA and AB of are produces in order to form exterior angles and, then is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 65
» Triangles and Circles
Question
In the medians PS, QT and RU pass through O. if, and then OS is ________
Choices
Choice (4)  Response  

a.  2.6 

b.  2.5 

c.  2.9 

d.  2.3 
