Question

If points A (4, 3) and B (x, 9) are on the circle with centre O (2, 6), find the value of x. *​

Answer 1

Answer:

Since A and B lie on the circle having centre O.

Therefore, OA = OB

(4−2)  

2

+(3−3)  

2

 

​

=  

((x−2)  

2

+(5−3)  

2

 

​

 

2=  

(x−2)  

2

+4

​

 

(x−2)  

2

+4=4

(x−2)  

2

=0

x−2=0

x=2

Step-by-step explanation: