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  • Find the centre and radius of the circles. (x + 5)^2 + (y - 3)^2 = 36

6. Find the centre and radius of the circles.

       (x+5)^2 + (y-3)^2 = 36

Answers (1)

best_answer

As we know, 

The equation of the circle with centre ( h, k) and radius r is given by ;

(x-h)^2+(y-k)^2=r^2

Given here 

(x+5)^2 + (y-3)^2 = 36

Can also be written in the form 

(x-(-5))^2 + (y-3)^2 = 6^2

So, from comparing, we can see that 

r=6

Hence the Radius of the circle is 6.

Posted by

Pankaj Sanodiya

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