Lines, Angles and Quadrilaterals (IMO Mathematics Olympiad Class 9): Questions 118  121 of 126
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Question number: 118
» Lines, Angles and Quadrilaterals
Question
Two regular polygons are such that the ratio between their no. of sides is 1: 2 and the ratio of measures of their interior angles is 4: 7. Find the number of sides of each polygon
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 119
» Lines, Angles and Quadrilaterals
Question
In the figure, the value of x if , is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 120
» Lines, Angles and Quadrilaterals
Question
A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 18 inches, the median of the trapezoid is ________
Choices
Choice (4)  Response  

a.  18 inches 

b.  9 inches 

c.  Not obtainable from these data 

d.  36 inches 

Question number: 121
» Lines, Angles and Quadrilaterals
Question
In parallelogram ABCD. The altitudes corresponding to the sides AB and AD are respectively 4 cm and 5 cm. Find AD.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

