IMO Mathematics Olympiad (SOF) Class 9: Questions 184  188 of 918
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Question number: 184
» Lines, Angles and Quadrilaterals
Question
Two supplementary angles differ by 34˚. Then the angles are ________
Choices
Choice (4)  Response  

a.  72˚, 108˚ 

b.  107˚, 73˚ 

c.  74˚, 107˚ 

d.  120˚, 60˚ 

Question number: 185
» Lines, Angles and Quadrilaterals
Question
In a parallelogram ABCD, , then the measurement of ∠A is ________
Choices
Choice (4)  Response  

a.  65˚ 

b.  75˚ 

c.  90˚ 

d.  120˚ 

Question number: 186
» Lines, Angles and Quadrilaterals
Question
The given figure, ABCD is a trapezium in which ∠A= (x + 25) ˚, ∠B = y˚, ∠C = 95˚ and ∠D= (2x + 5) ˚ then the value of x and y are________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 187
» Lines, Angles and Quadrilaterals
Question
In the given figure, PQRS is a trapezium in which PQ = 19 cm, PR = QS = 20 cm, RS = x cm and the distance between PQ and RS is 12 cm. Then the value of x is ________
Choices
Choice (4)  Response  

a.  58 cm 

b.  52 cm 

c.  43 cm 

d.  51 cm 

Question number: 188
Question
In and , , are extended to X and Y respectively and . Under which congruency criterion, the triangles are congruent?
Choices
Choice (4)  Response  

a.  SAS 

b.  SAA 

c.  SSA 

d.  SSS 
