Quadrilaterals and Practical Geometry (IMO Mathematics Olympiad (SOF) Class 8): Questions 9  14 of 62
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Question number: 9
» Quadrilaterals and Practical Geometry
Question
To construct a quadrilateral uniquely, it is necessary to have the knowledge of at least________independent elements.
Choices
Choice (4)  Response  

a.  Four 

b.  Two 

c.  Three 

d.  Five 

Question number: 10
» Quadrilaterals and Practical Geometry
Question
Any quadrilateral has ________ sides.
Choices
Choice (4)  Response  

a.  Two 

b.  Five 

c.  Four 

d.  Three 

Question number: 11
» Quadrilaterals and Practical Geometry
Question
The number of sides of a regular polygon whose each exterior angle has a measure of is________.
Choices
Choice (4)  Response  

a.  10 

b.  8 

c.  3 

d.  6 

Question number: 12
» Quadrilaterals and Practical Geometry
Question
Given below steps of construct a quadrilateral ABCD where AB = 5.2 cm, BC = 4.0 cm, CD = 4.2 cm, AD = 3.3 cm and which of the following is a wrong step?
(P) Step 1: Draw AB = 5.2cm and construct
(Q) Step 2: With A as center and radius AD = 3.3 cm, cut off AD = 3.3 cm along AX.
(R) Step 3: Join BD. With D as center and radius DC = 4.2 cm, draw an arc.
(S) Step 4: With B as center and radius BC = 4.0 cm, draw an arc to cut the arc drawn in above step at C. Join BC, CD to obtain the required quadrilateral ABCD.
Choices
Choice (4)  Response  

a.  R 

b.  S 

c.  P 

d.  Q 

Question number: 13
» Quadrilaterals and Practical Geometry
Question
Four angles of a quadrilateral are in the ratio 2: 4: 6: 8. The greatest angle is________.
Choices
Choice (4)  Response  

a.  144 

b.  110 

c.  120 

d.  150 

Question number: 14
» Quadrilaterals and Practical Geometry
Question
The number of sides of a regular polygon whose each exterior angle has a measure of is________.
Choices
Choice (4)  Response  

a.  10 

b.  6 

c.  8 

d.  3 
