IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 138  142 of 929
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Question number: 138
» Lines, Angles and Quadrilaterals
Question
In the given figure, PQRS is a trapezium in which PQ = 9 cm, PR = QS = 10 cm, RS = x cm and the distance between PQ and RS is 8 cm. Then the value of x is ________
Choices
Choice (4)  Response  

a.  22 cm 

b.  21 cm 

c.  14 cm 

d.  17 cm 

Question number: 139
» Lines, Angles and Quadrilaterals
Question
In the given figure, , and , find
Choices
Choice (4)  Response  

a.  45˚ 

b.  50˚ 

c.  60˚ 

d.  55˚ 

Question number: 140
» Lines, Angles and Quadrilaterals
Question
In the given figure, and . Then ∠FCD is ________.
Choices
Choice (4)  Response  

a.  120˚ 

b.  60˚ 

c.  45 

d.  90˚ 

Question number: 141
» Lines, Angles and Quadrilaterals
Question
If , and, then x and y respectively are ________
Choices
Choice (4)  Response  

a.  40˚, 30˚ 

b.  30˚, 45˚ 

c.  50˚, 77˚ 

d.  90˚, 30˚ 

Question number: 142
» Lines, Angles and Quadrilaterals
Question
If the diagonals of a parallelogram are equal, then it is a ________
Choices
Choice (4)  Response  

a.  Rhombus 

b.  Trapezium 

c.  Rectangle 

d.  Square 
