Math, asked by rakshithasindhu, 11 months ago

centre of a circle (-5, 5) which passes through the point (- 1;1) find the radius of the circle​

Answers

Answered by divyarongala
1

Answer:

centre is(-5,5)

point is(-1,1)

radius is the distance between the centre and the point

that is

√(-5+1)^2 +(5-1)^2

✓16+16

4√2

hope this helps you

Answered by amarmathbhu28
1

Answer:

Step-by-step explanation: Let the radius of the circle be r, then the equation of circle is

(x + 5)^2 + (y - 5)^2 = r^2

It passes through (-1, 1), so

(-1 + 5)^2 + (1 - 5)^2 = r^2

16 + 16 = r^2

r^2 = 32

r = 4\sqrt{2}

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