Question

The point (-5, 6) lies on a circle. What is the length of the radius of this circle if
the center is located at (-6, 5)?

Answer 1

I believe you can just use the distance formula for this...since it is the center of the circle to a point on the circle

\[D = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}\]

you have your 2 points

(-6 , 5) (-5 , 6)
(x1 , y1)(x2 , y2)

can anyone else confirm or deny this method?

Answer 2

0

Answer 3

I get √2 as the radius

√(-5 + 6)² + (6 - 5)²
√ (-1)² + (-1)²
√(1 + 1)
√2

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Answer 9

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Answer 10

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Answer 13

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