Surface Area and Volumes (IMO Mathematics Olympiad (SOF) Class 9): Questions 54  57 of 104
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Question number: 54
» Surface Area and Volumes
Question
ABC is triangle in which BE, CF are medians. If , and , then the area of is________
Choices
Choice (4)  Response  

a.  240 

b.  120 

c.  102 

d.  360 

Question number: 55
» Surface Area and Volumes
Question
The area of a quadrilateral JKLM, in which, is an equilateral triangles of side 20 cm and is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 56
» Surface Area and Volumes
Question
A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If the height of the cylinder is 20 cm, and its base is of radius 7.5 cm, find the total surface area of the article.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 57
» Surface Area and Volumes
Question
A triangle and a parallelogram are equal in area. They also have the same altitudes. If the base of the triangle is 24 inches, the base of the parallelogram is ________
Choices
Choice (4)  Response  

a.  12 inches 

b.  15 inches 

c.  14 inches 

d.  18 inches 
