IMO Mathematics Olympiad Class 9: Questions 339  342 of 919
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Question number: 339
Question
An exterior angle of a triangle is 110˚ and one of the interior opposite angle is 40˚. Then the other two angles of a triangle are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 340
Question
A rectangle with perimeter 88cm is partitioned into 5 congruent rectangles, as indicated in the diagram. The perimeter of each of the congruent rectangle is ________.
Choices
Choice (4)  Response  

a.  48 cm 

b.  30 cm 

c.  40 cm 

d.  34 cm 

Question number: 341
Question
In the figure, If and if , then MT will be ________
Choices
Choice (4)  Response  

a.  18 cm 

b.  30 cm 

c.  90 cm 

d.  20 cm 

Question number: 342
Question
The altitude drawn to the base of an isosceles triangle is of length 8 cm and the perimeter is 32 cm. the area of the triangle is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

