IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 132  137 of 929
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Question number: 132
» Lines, Angles and Quadrilaterals
Question
If two supplementary angles are in the ratio 4: 5, then the angles is ________
Choices
Choice (4)  Response  

a.  60˚, 120˚ 

b.  40˚, 50˚ 

c.  80˚, 100˚ 

d.  85˚, 95˚ 

Question number: 133
» Lines, Angles and Quadrilaterals
Question
In the figure line P line Q line R. their transversal line x and line y, cut them at point A, B, C and D, E, F respectively. If find ________
Choices
Choice (4)  Response  

a.  5.5 

b.  3.3 

c.  6.6 

d.  4.4 

Question number: 134
» Lines, Angles and Quadrilaterals
Question
If , and, then x and y respectively are ________
Choices
Choice (4)  Response  

a.  20˚, 85˚ 

b.  60˚, 78˚ 

c.  30˚, 45˚ 

d.  30˚, 90˚ 

Question number: 135
» Lines, Angles and Quadrilaterals
Question
The angles of a triangle are in the ratio . The triangle is ________
Choices
Choice (4)  Response  

a.  Isosceles 

b.  Obtuse 

c.  Acute 

d.  Right 

Question number: 136
» Lines, Angles and Quadrilaterals
Question
In figure below, if , and , find ∠PVT, ∠VTU and ∠UVT.
Choices
Choice (4)  Response  

a.  54˚ 

b.  57˚ 

c.  55˚ 

d.  56˚ 

Question number: 137
» Lines, Angles and Quadrilaterals
Question
Diagonals of a rectangle PQRS intersect at O. If∠POS = 86˚, then ∠RQO is ________
Choices
Choice (4)  Response  

a.  68˚ 

b.  50˚ 

c.  79˚ 

d.  47˚ 
