Basic Geometrical Ideas (IMO Mathematics Olympiad Class 6): Questions 46  51 of 53
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Question number: 46
» Basic Geometrical Ideas
Question
Number of arcs made by two chords on a circle is ________.
Choices
Choice (4)  Response  

a.  2 

b.  4 

c.  1 

d.  3 

Question number: 47
» Basic Geometrical Ideas
Question
Which of the following is true?
(i) A sector is the region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides.
(ii) A segment of a circle, is region in the interior of the circle enclosed by an arc and a chord.
Choices
Choice (4)  Response  

a.  (i) & (ii) 

b.  Only (i) 

c.  Neither (i) nor (ii) 

d.  Only (ii) 

Question number: 48
» Basic Geometrical Ideas
Question
Number of arcs made by a chord on a circle is ________.
Choices
Choice (4)  Response  

a.  1 

b.  3 

c.  2 

d.  4 

Question number: 49
» Basic Geometrical Ideas
Question
Number of line segments possible with three collinear points is ________.
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  3 

d.  Infinite 

Question number: 50
» Basic Geometrical Ideas
Question
Three or more points in a plane are said to be collinear if they lie on the ________.
Choices
Choice (4)  Response  

a.  Same line 

b.  Different lines 

c.  Same plane 

d.  Same curve 

Question number: 51
» Basic Geometrical Ideas
Question
A rectangle is set outside a circle as shown. If the length of the rectangle is 8 cm, then the area of circle is
Choices
Choice (4)  Response  

a.  60 

b.  50.24 

c.  26 

d.  52.26 
