IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 188  192 of 929
Access detailed explanations (illustrated with images and videos) to 929 questions. Access all new questions we will add tracking exampattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
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.  SAA 

b.  SAS 

c.  SSS 

d.  SSA 

Question number: 189
» Lines, Angles and Quadrilaterals
Question
The angle between bisectors of the angles of a linear pair is ________
Choices
Choice (4)  Response  

a.  90˚ 

b.  30˚ 

c.  45˚ 

d.  180˚ 

Question number: 190
» Lines, Angles and Quadrilaterals
Question
Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of QR is ________
Choices
Choice (4)  Response  

a.  12 cm 

b.  14 cm 

c.  16 cm 

d.  10 cm 

Question number: 191
» Lines, Angles and Quadrilaterals
Question
Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of EF is ________
Choices
Choice (4)  Response  

a.  2 cm 

b.  3.5 cm 

c.  4 cm 

d.  3 cm 

Question number: 192
» Lines, Angles and Quadrilaterals
Question
In the figure, and then ∠4 is________
Choices
Choice (4)  Response  

a.  126˚ 

b.  136˚ 

c.  172˚ 

d.  134˚ 
