IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 182  187 of 929
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Question number: 182
Question
All the three quadrilaterals ADEC, ABIH and BCGF are squares and if the area of and area of , then find the area of BCGF?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 183
» Lines, Angles and Quadrilaterals
Question
If two supplementary angles are in the ratio 13: 5, then the angles is ________
Choices
Choice (4)  Response  

a.  120˚, 60˚  
b.  125˚, 55˚  
c.  130˚, 50˚  
d.  145˚, 35˚ 
Question number: 184
» Lines, Angles and Quadrilaterals
Question
Two supplementary angles differ by 34˚. Then the angles are ________
Choices
Choice (4)  Response  

a.  107˚, 73˚  
b.  74˚, 107˚  
c.  120˚, 60˚  
d.  72˚, 108˚ 
Question number: 185
» Lines, Angles and Quadrilaterals
Question
In a parallelogram ABCD, , then the measurement of ∠A is ________
Choices
Choice (4)  Response  

a.  120˚  
b.  90˚  
c.  75˚  
d.  65˚ 
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.  43 cm  
b.  58 cm  
c.  52 cm  
d.  51 cm 