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Q.

State true or false.


If P and Q are the centers of two intersecting circles, passing through the centers of each circle and R is the intersection point, then PQ=QR=PR  .


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a

True

b

False 

answer is A.

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Detailed Solution

Given two intersecting circles with P and Q as centers of the circles.
Question ImageFrom the figure,
The first circle have center P and the second circle having center Q.
The radii of the same circle with center P is PR = PQ……(i)
The radii of second circle with center Q is QP = QR ……. (ii)
Compare i  and  ii  
PR=QR.... iii  
By using Euclid’s first axiom theorem, things which are equal to the same thing are equal to one another.
From i , ii and  iii  ,
PQ=QR=PR  .
Therefore, the statement is true.
Hence, option (1) is correct.
 
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